Elasticsearch-net: Exception thrown (System.TypeInitializationException: The type initializer for 'FormatterCache`1') when using NEST.v7

[KolyaNET]

NEST/Elasticsearch.Net version: 7.10.0

Elasticsearch version: 7.10.0

Description of the problem including expected versus actual behavior:
Exceptions are thrown periodically and all requests fail. After restarting the application, the error is no longer repeated.

Steps to reproduce:
The steps to reproduce could not be installed.

Expected behavior
No error

Platform: Mono 6.6.0.161
.NET: .NET Framework 4.8
OS: CentOS Linux release 7.9.2009 (Core), Linux 3.10.0-862.el7.x86_64

This may be due to a issue?
We cannot quickly switch to .NET Core.

DebugInformation:

FailureReason 1

# FailureReason: Unrecoverable/Unexpected BadRequest while attempting POST on http://127.0.0.1:9200/object_*_2021-04-21*%2C-*folder*/_search?typed_keys=true&ignore_unavailable=true&track_total_hits=true
 - [1] BadRequest: Node: http://127.0.0.1:9200/ Exception: TypeInitializationException Took: 00:00:00.8450220
# Audit exception in step 1 BadRequest:
System.TypeInitializationException: The type initializer for 'FormatterCache`1' threw an exception. ---> System.TypeLoadException: Could not load type 'Elasticsearch.Net.Nest_ITermQueryFormatter10' from assembly ''.
  at (wrapper managed-to-native) System.RuntimeType.GetConstructors_native(System.RuntimeType,System.Reflection.BindingFlags)
  at System.RuntimeType.GetConstructors_internal (System.Reflection.BindingFlags bindingAttr, System.RuntimeType reflectedType) [0x00008] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructorCandidates (System.String name, System.Reflection.BindingFlags bindingAttr, System.Reflection.CallingConventions callConv, System.Type[] types, System.Boolean allowPrefixLookup) [0x00047] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructors (System.Reflection.BindingFlags bindingAttr) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetDefaultConstructor () [0x0002c] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceMono (System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceSlow (System.Boolean publicOnly, System.Boolean wrapExceptions, System.Boolean skipCheckThis, System.Boolean fillCache) [0x00009] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceDefaultCtor (System.Boolean publicOnly, System.Boolean skipCheckThis, System.Boolean fillCache, System.Boolean wrapExceptions, System.Threading.StackCrawlMark& stackMark) [0x00027] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00020] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectTypeBuilder.BuildFormatterToAssembly[T] (Elasticsearch.Net.Utf8Json.Internal.Emit.DynamicAssembly assembly, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver selfResolver, System.Func`2[T,TResult] mutator, System.Func`2[T,TResult] propertyMapper, System.Boolean excludeNull) [0x000d6] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase+FormatterCache`1[T]..cctor () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
   --- End of inner exception stack trace ---
  at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_generic_class_init(intptr)
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase.GetFormatter[T] () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.FieldNameQueryFormatter`2[T,TInterface].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, TInterface value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004f] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00a33] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter4.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00147] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter4.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x0004b] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.QueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00007] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_ISearchRequestFormatter1.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.ISearchRequest , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00339] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.SerializeUnsafe[T] (T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x00024] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.Serialize[T] (System.IO.Stream stream, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x0000a] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.DefaultHighLevelSerializer.Serialize[T] (T data, System.IO.Stream writableStream, Elasticsearch.Net.SerializationFormatting formatting) [0x00008] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.DiagnosticsSerializerProxy.Serialize[T] (T data, System.IO.Stream stream, Elasticsearch.Net.SerializationFormatting formatting) [0x0001b] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.SerializableData`1[T].Write (System.IO.Stream writableStream, Elasticsearch.Net.IConnectionConfigurationValues settings) [0x00022] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.HttpWebRequestConnection.Request[TResponse] (Elasticsearch.Net.RequestData requestData) [0x0006e] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.RequestPipeline.CallElasticsearch[TResponse] (Elasticsearch.Net.RequestData requestData) [0x000b3] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.RequestPipeline.CallElasticsearch[TResponse] (Elasticsearch.Net.RequestData requestData) [0x000b3] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Transport`1[TConnectionSettings].Request[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x000b2] in <60a3861581464a20a2d29aac8e312089>:0 
# Inner Exception: The type initializer for 'FormatterCache`1' threw an exception.
System.TypeInitializationException: The type initializer for 'FormatterCache`1' threw an exception. ---> System.TypeLoadException: Could not load type 'Elasticsearch.Net.Nest_ITermQueryFormatter10' from assembly ''.
  at (wrapper managed-to-native) System.RuntimeType.GetConstructors_native(System.RuntimeType,System.Reflection.BindingFlags)
  at System.RuntimeType.GetConstructors_internal (System.Reflection.BindingFlags bindingAttr, System.RuntimeType reflectedType) [0x00008] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructorCandidates (System.String name, System.Reflection.BindingFlags bindingAttr, System.Reflection.CallingConventions callConv, System.Type[] types, System.Boolean allowPrefixLookup) [0x00047] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructors (System.Reflection.BindingFlags bindingAttr) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetDefaultConstructor () [0x0002c] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceMono (System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceSlow (System.Boolean publicOnly, System.Boolean wrapExceptions, System.Boolean skipCheckThis, System.Boolean fillCache) [0x00009] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceDefaultCtor (System.Boolean publicOnly, System.Boolean skipCheckThis, System.Boolean fillCache, System.Boolean wrapExceptions, System.Threading.StackCrawlMark& stackMark) [0x00027] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00020] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectTypeBuilder.BuildFormatterToAssembly[T] (Elasticsearch.Net.Utf8Json.Internal.Emit.DynamicAssembly assembly, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver selfResolver, System.Func`2[T,TResult] mutator, System.Func`2[T,TResult] propertyMapper, System.Boolean excludeNull) [0x000d6] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase+FormatterCache`1[T]..cctor () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
   --- End of inner exception stack trace ---
  at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_generic_class_init(intptr)
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase.GetFormatter[T] () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.FieldNameQueryFormatter`2[T,TInterface].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, TInterface value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004f] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00a33] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter4.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00147] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter4.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x0004b] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.QueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00007] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_ISearchRequestFormatter1.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.ISearchRequest , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00339] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.SerializeUnsafe[T] (T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x00024] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.Serialize[T] (System.IO.Stream stream, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x0000a] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.DefaultHighLevelSerializer.Serialize[T] (T data, System.IO.Stream writableStream, Elasticsearch.Net.SerializationFormatting formatting) [0x00008] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.DiagnosticsSerializerProxy.Serialize[T] (T data, System.IO.Stream stream, Elasticsearch.Net.SerializationFormatting formatting) [0x0001b] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.SerializableData`1[T].Write (System.IO.Stream writableStream, Elasticsearch.Net.IConnectionConfigurationValues settings) [0x00022] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.HttpWebRequestConnection.Request[TResponse] (Elasticsearch.Net.RequestData requestData) [0x0006e] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.RequestPipeline.CallElasticsearch[TResponse] (Elasticsearch.Net.RequestData requestData) [0x000b3] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.RequestPipeline.CallElasticsearch[TResponse] (Elasticsearch.Net.RequestData requestData) [0x000b3] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Transport`1[TConnectionSettings].Request[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x000b2] in <60a3861581464a20a2d29aac8e312089>:0 
# Exception:
Elasticsearch.Net.UnexpectedElasticsearchClientException: The type initializer for 'FormatterCache`1' threw an exception. ---> System.TypeInitializationException: The type initializer for 'FormatterCache`1' threw an exception. ---> System.TypeLoadException: Could not load type 'Elasticsearch.Net.Nest_ITermQueryFormatter10' from assembly ''.
  at (wrapper managed-to-native) System.RuntimeType.GetConstructors_native(System.RuntimeType,System.Reflection.BindingFlags)
  at System.RuntimeType.GetConstructors_internal (System.Reflection.BindingFlags bindingAttr, System.RuntimeType reflectedType) [0x00008] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructorCandidates (System.String name, System.Reflection.BindingFlags bindingAttr, System.Reflection.CallingConventions callConv, System.Type[] types, System.Boolean allowPrefixLookup) [0x00047] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructors (System.Reflection.BindingFlags bindingAttr) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetDefaultConstructor () [0x0002c] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceMono (System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceSlow (System.Boolean publicOnly, System.Boolean wrapExceptions, System.Boolean skipCheckThis, System.Boolean fillCache) [0x00009] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceDefaultCtor (System.Boolean publicOnly, System.Boolean skipCheckThis, System.Boolean fillCache, System.Boolean wrapExceptions, System.Threading.StackCrawlMark& stackMark) [0x00027] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00020] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectTypeBuilder.BuildFormatterToAssembly[T] (Elasticsearch.Net.Utf8Json.Internal.Emit.DynamicAssembly assembly, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver selfResolver, System.Func`2[T,TResult] mutator, System.Func`2[T,TResult] propertyMapper, System.Boolean excludeNull) [0x000d6] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase+FormatterCache`1[T]..cctor () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
   --- End of inner exception stack trace ---
  at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_generic_class_init(intptr)
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase.GetFormatter[T] () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.FieldNameQueryFormatter`2[T,TInterface].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, TInterface value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004f] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00a33] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter4.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00147] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter4.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x0004b] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.QueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00007] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_ISearchRequestFormatter1.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.ISearchRequest , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00339] in <8dce4a63adc84ce3a9a648e1714477a1>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.SerializeUnsafe[T] (T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x00024] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.Serialize[T] (System.IO.Stream stream, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x0000a] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.DefaultHighLevelSerializer.Serialize[T] (T data, System.IO.Stream writableStream, Elasticsearch.Net.SerializationFormatting formatting) [0x00008] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.DiagnosticsSerializerProxy.Serialize[T] (T data, System.IO.Stream stream, Elasticsearch.Net.SerializationFormatting formatting) [0x0001b] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.SerializableData`1[T].Write (System.IO.Stream writableStream, Elasticsearch.Net.IConnectionConfigurationValues settings) [0x00022] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.HttpWebRequestConnection.Request[TResponse] (Elasticsearch.Net.RequestData requestData) [0x0006e] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.RequestPipeline.CallElasticsearch[TResponse] (Elasticsearch.Net.RequestData requestData) [0x000b3] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.RequestPipeline.CallElasticsearch[TResponse] (Elasticsearch.Net.RequestData requestData) [0x000b3] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Transport`1[TConnectionSettings].Request[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x000b2] in <60a3861581464a20a2d29aac8e312089>:0 
   --- End of inner exception stack trace ---
  at Elasticsearch.Net.Transport`1[TConnectionSettings].Request[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x00152] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.ElasticLowLevelClient.DoRequest[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x00006] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.ElasticClient.DoRequest[TRequest,TResponse] (TRequest p, Elasticsearch.Net.IRequestParameters parameters, System.Action`1[T] forceConfiguration) [0x0007e] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ElasticClient.Search[TDocument] (Nest.ISearchRequest request) [0x00008] in <cbef9dfe950248faabea041852d82ebc>:0 
  at App.SearchProvider.Search.NestExt.TimeLimitedSearch[T] (Nest.IElasticClient elasticClient, Nest.ISearchRequest request) [0x00006] in <5c8558723e3544739b68334bc7880e94>:0 
  at App.SearchProvider.Search.SearchProvider.TimeLimitedSearch[T] (Nest.ISearchRequest request) [0x00011] in <5c8558723e3544739b68334bc7880e94>:0

FailureReason 2

# FailureReason: Unrecoverable/Unexpected BadRequest while attempting POST on http://127.0.0.1:9200/560%2C561%2C562%2C563%2C564%2C565%2C566%2C567%2C568%2C569%2C570%2C571%2C572%2C573%2C574/_search?typed_keys=true&ignore_unavailable=true&track_total_hits=true
 - [1] BadRequest: Node: http://127.0.0.1:9200/ Exception: TypeInitializationException Took: 00:00:00.0219480
# Audit exception in step 1 BadRequest:
System.TypeInitializationException: The type initializer for 'FormatterCache`1' threw an exception. ---> System.TypeLoadException: Could not load type 'Elasticsearch.Net.Nest_IQueryStringQueryFormatter13' from assembly ''.
  at (wrapper managed-to-native) System.RuntimeType.GetConstructors_native(System.RuntimeType,System.Reflection.BindingFlags)
  at System.RuntimeType.GetConstructors_internal (System.Reflection.BindingFlags bindingAttr, System.RuntimeType reflectedType) [0x00008] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructorCandidates (System.String name, System.Reflection.BindingFlags bindingAttr, System.Reflection.CallingConventions callConv, System.Type[] types, System.Boolean allowPrefixLookup) [0x00047] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructors (System.Reflection.BindingFlags bindingAttr) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetDefaultConstructor () [0x0002c] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceMono (System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceSlow (System.Boolean publicOnly, System.Boolean wrapExceptions, System.Boolean skipCheckThis, System.Boolean fillCache) [0x00009] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceDefaultCtor (System.Boolean publicOnly, System.Boolean skipCheckThis, System.Boolean fillCache, System.Boolean wrapExceptions, System.Threading.StackCrawlMark& stackMark) [0x00027] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00020] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectTypeBuilder.BuildFormatterToAssembly[T] (Elasticsearch.Net.Utf8Json.Internal.Emit.DynamicAssembly assembly, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver selfResolver, System.Func`2[T,TResult] mutator, System.Func`2[T,TResult] propertyMapper, System.Boolean excludeNull) [0x000d6] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase+FormatterCache`1[T]..cctor () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
   --- End of inner exception stack trace ---
  at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_generic_class_init(intptr)
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase.GetFormatter[T] () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x006cd] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter3.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x0004b] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter3.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x000c5] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter3.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x000c5] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.QueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00007] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_ISearchRequestFormatter7.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.ISearchRequest , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00339] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.SerializeUnsafe[T] (T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x00024] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.Serialize[T] (System.IO.Stream stream, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x0000a] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.DefaultHighLevelSerializer.Serialize[T] (T data, System.IO.Stream writableStream, Elasticsearch.Net.SerializationFormatting formatting) [0x00008] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.DiagnosticsSerializerProxy.Serialize[T] (T data, System.IO.Stream stream, Elasticsearch.Net.SerializationFormatting formatting) [0x0001b] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.SerializableData`1[T].Write (System.IO.Stream writableStream, Elasticsearch.Net.IConnectionConfigurationValues settings) [0x00022] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.HttpWebRequestConnection.Request[TResponse] (Elasticsearch.Net.RequestData requestData) [0x0006e] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.RequestPipeline.CallElasticsearch[TResponse] (Elasticsearch.Net.RequestData requestData) [0x000b3] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Transport`1[TConnectionSettings].Request[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x000b2] in <60a3861581464a20a2d29aac8e312089>:0 
# Inner Exception: The type initializer for 'FormatterCache`1' threw an exception.
System.TypeInitializationException: The type initializer for 'FormatterCache`1' threw an exception. ---> System.TypeLoadException: Could not load type 'Elasticsearch.Net.Nest_IQueryStringQueryFormatter13' from assembly ''.
  at (wrapper managed-to-native) System.RuntimeType.GetConstructors_native(System.RuntimeType,System.Reflection.BindingFlags)
  at System.RuntimeType.GetConstructors_internal (System.Reflection.BindingFlags bindingAttr, System.RuntimeType reflectedType) [0x00008] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructorCandidates (System.String name, System.Reflection.BindingFlags bindingAttr, System.Reflection.CallingConventions callConv, System.Type[] types, System.Boolean allowPrefixLookup) [0x00047] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructors (System.Reflection.BindingFlags bindingAttr) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetDefaultConstructor () [0x0002c] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceMono (System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceSlow (System.Boolean publicOnly, System.Boolean wrapExceptions, System.Boolean skipCheckThis, System.Boolean fillCache) [0x00009] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceDefaultCtor (System.Boolean publicOnly, System.Boolean skipCheckThis, System.Boolean fillCache, System.Boolean wrapExceptions, System.Threading.StackCrawlMark& stackMark) [0x00027] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00020] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectTypeBuilder.BuildFormatterToAssembly[T] (Elasticsearch.Net.Utf8Json.Internal.Emit.DynamicAssembly assembly, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver selfResolver, System.Func`2[T,TResult] mutator, System.Func`2[T,TResult] propertyMapper, System.Boolean excludeNull) [0x000d6] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase+FormatterCache`1[T]..cctor () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
   --- End of inner exception stack trace ---
  at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_generic_class_init(intptr)
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase.GetFormatter[T] () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x006cd] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter3.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x0004b] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter3.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x000c5] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter3.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x000c5] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.QueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00007] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_ISearchRequestFormatter7.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.ISearchRequest , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00339] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.SerializeUnsafe[T] (T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x00024] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.Serialize[T] (System.IO.Stream stream, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x0000a] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.DefaultHighLevelSerializer.Serialize[T] (T data, System.IO.Stream writableStream, Elasticsearch.Net.SerializationFormatting formatting) [0x00008] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.DiagnosticsSerializerProxy.Serialize[T] (T data, System.IO.Stream stream, Elasticsearch.Net.SerializationFormatting formatting) [0x0001b] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.SerializableData`1[T].Write (System.IO.Stream writableStream, Elasticsearch.Net.IConnectionConfigurationValues settings) [0x00022] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.HttpWebRequestConnection.Request[TResponse] (Elasticsearch.Net.RequestData requestData) [0x0006e] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.RequestPipeline.CallElasticsearch[TResponse] (Elasticsearch.Net.RequestData requestData) [0x000b3] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Transport`1[TConnectionSettings].Request[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x000b2] in <60a3861581464a20a2d29aac8e312089>:0 
# Exception:
Elasticsearch.Net.UnexpectedElasticsearchClientException: The type initializer for 'FormatterCache`1' threw an exception. ---> System.TypeInitializationException: The type initializer for 'FormatterCache`1' threw an exception. ---> System.TypeLoadException: Could not load type 'Elasticsearch.Net.Nest_IQueryStringQueryFormatter13' from assembly ''.
  at (wrapper managed-to-native) System.RuntimeType.GetConstructors_native(System.RuntimeType,System.Reflection.BindingFlags)
  at System.RuntimeType.GetConstructors_internal (System.Reflection.BindingFlags bindingAttr, System.RuntimeType reflectedType) [0x00008] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructorCandidates (System.String name, System.Reflection.BindingFlags bindingAttr, System.Reflection.CallingConventions callConv, System.Type[] types, System.Boolean allowPrefixLookup) [0x00047] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetConstructors (System.Reflection.BindingFlags bindingAttr) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.GetDefaultConstructor () [0x0002c] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceMono (System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceSlow (System.Boolean publicOnly, System.Boolean wrapExceptions, System.Boolean skipCheckThis, System.Boolean fillCache) [0x00009] in <6d03841284d248b2a69863e319721b74>:0 
  at System.RuntimeType.CreateInstanceDefaultCtor (System.Boolean publicOnly, System.Boolean skipCheckThis, System.Boolean fillCache, System.Boolean wrapExceptions, System.Threading.StackCrawlMark& stackMark) [0x00027] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic, System.Boolean wrapExceptions) [0x00020] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type, System.Boolean nonPublic) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at System.Activator.CreateInstance (System.Type type) [0x00000] in <6d03841284d248b2a69863e319721b74>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectTypeBuilder.BuildFormatterToAssembly[T] (Elasticsearch.Net.Utf8Json.Internal.Emit.DynamicAssembly assembly, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver selfResolver, System.Func`2[T,TResult] mutator, System.Func`2[T,TResult] propertyMapper, System.Boolean excludeNull) [0x000d6] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase+FormatterCache`1[T]..cctor () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
   --- End of inner exception stack trace ---
  at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_generic_class_init(intptr)
  at Elasticsearch.Net.Utf8Json.Resolvers.DynamicObjectResolverAllowPrivateFalseExcludeNullTrueNameMutateCamelCase.GetFormatter[T] () [0x00000] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x006cd] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter3.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x0004b] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter3.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x000c5] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerCollectionFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, System.Collections.Generic.IEnumerable`1[T] value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00045] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IBoolQueryFormatter3.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IBoolQuery , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x000c5] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_IQueryContainerFormatter2.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.IQueryContainer , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00043] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.QueryContainerInterfaceFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.IQueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0004b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.QueryContainerFormatter.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, Nest.QueryContainer value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00007] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Nest_ISearchRequestFormatter7.Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& , Nest.ISearchRequest , Elasticsearch.Net.Utf8Json.IJsonFormatterResolver ) [0x00339] in <f69da6a85bf2433fa2379208aece7f6b>:0 
  at Nest.ReadAsFormatter`2[TRead,T].SerializeInternal (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x0000b] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ReadAsFormatter`2[TRead,T].Serialize (Elasticsearch.Net.Utf8Json.JsonWriter& writer, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver formatterResolver) [0x00000] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.SerializeUnsafe[T] (T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x00024] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Utf8Json.JsonSerializer.Serialize[T] (System.IO.Stream stream, T value, Elasticsearch.Net.Utf8Json.IJsonFormatterResolver resolver) [0x0000a] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.DefaultHighLevelSerializer.Serialize[T] (T data, System.IO.Stream writableStream, Elasticsearch.Net.SerializationFormatting formatting) [0x00008] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Elasticsearch.Net.DiagnosticsSerializerProxy.Serialize[T] (T data, System.IO.Stream stream, Elasticsearch.Net.SerializationFormatting formatting) [0x0001b] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.SerializableData`1[T].Write (System.IO.Stream writableStream, Elasticsearch.Net.IConnectionConfigurationValues settings) [0x00022] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.HttpWebRequestConnection.Request[TResponse] (Elasticsearch.Net.RequestData requestData) [0x0006e] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.RequestPipeline.CallElasticsearch[TResponse] (Elasticsearch.Net.RequestData requestData) [0x000b3] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.Transport`1[TConnectionSettings].Request[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x000b2] in <60a3861581464a20a2d29aac8e312089>:0 
   --- End of inner exception stack trace ---
  at Elasticsearch.Net.Transport`1[TConnectionSettings].Request[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x00152] in <60a3861581464a20a2d29aac8e312089>:0 
  at Elasticsearch.Net.ElasticLowLevelClient.DoRequest[TResponse] (Elasticsearch.Net.HttpMethod method, System.String path, Elasticsearch.Net.PostData data, Elasticsearch.Net.IRequestParameters requestParameters) [0x00006] in <60a3861581464a20a2d29aac8e312089>:0 
  at Nest.ElasticClient.DoRequest[TRequest,TResponse] (TRequest p, Elasticsearch.Net.IRequestParameters parameters, System.Action`1[T] forceConfiguration) [0x0007e] in <cbef9dfe950248faabea041852d82ebc>:0 
  at Nest.ElasticClient.Search[TDocument] (Nest.ISearchRequest request) [0x00008] in <cbef9dfe950248faabea041852d82ebc>:0 
  at App.SearchProvider.Search.NestExt.TimeLimitedSearch[T] (Nest.IElasticClient elasticClient, Nest.ISearchRequest request) [0x00006] in <5c8558723e3544739b68334bc7880e94>:0 
  at App.SearchProvider.Search.SearchProvider.TimeLimitedSearch[T] (Nest.ISearchRequest request) [0x00011] in <5c8558723e3544739b68334bc7880e94>:0 

[stevejgordon]

Hi @KolyaNET. Thanks for raising this. This is very likely due to the Mono implementation differences. The code we use for serialization relies on System.Reflection.Emit in a number of places. I'll review whether we can look at applying the same locking fix as used MessagePack. To set expectations, that won't happen immediately but I'll keep this on the backlog for a fix in the 7.x branch. In the next major, we're aiming to move to System.Text.Json for serialization which has targets for Mono and Xamarin.

If you're able to find a way to reproduce this fairly consistently, that would be a big help as we can then prove the fix once we implement it.

The best option would be to move to .NET Core if at all possible, where this won't be an issue.

[KolyaNET]

Thank you very much for your reply.
We are now collecting more information about the error conditions. If there is additional information, we will definitely share it.

Yes, we are planning to gradually migrate our searches to .NET 5.
This problem started showing up when we switched from Elasticsearch 1.7.0 to Elasticsearch 7.10.0 4 months ago and it didn't show up during testing.