Core: Errors while running my Sample Code

[kunalcodes]

Problem encountered on https://dotnet.microsoft.com/learn/dotnet/hello-world-tutorial/run
Operating System: windows

Provide details about the problem you are experiencing. Include your operating system version, exact error message, code sample, and anything else that is relevant.

->
node_modules\cordova-plugin-splashscreen\src\wp\ResolutionHelper.cs(15,17): error CS0234: The type or namespace name 'Phone' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(18,22): error CS0234: The type or namespace name 'Controls' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(19,22): error CS0234: The type or namespace name 'Documents' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(20,22): error CS0234: The type or namespace name 'Ink' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(22,22): error CS0234: The type or namespace name 'Media' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(23,22): error CS0234: The type or namespace name 'Media' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(24,22): error CS0234: The type or namespace name 'Shapes' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(25,17): error CS0234: The type or namespace name 'Phone' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(26,22): error CS0234: The type or namespace name 'Controls' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(28,22): error CS0234: The type or namespace name 'Media' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(29,22): error CS0234: The type or namespace name 'Resources' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(33,22): error CS0234: The type or namespace name 'Threading' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-statusbar\src\wp\StatusBar.cs(16,17): error CS0234: The type or namespace name 'Phone' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-statusbar\src\wp\StatusBar.cs(24,22): error CS0234: The type or namespace name 'Media' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-statusbar\src\wp\StatusBar.cs(25,22): error CS0234: The type or namespace name 'Threading' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\ResolutionHelper.cs(15,17): error CS0234: The type or namespace name 'Phone' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(18,22): error CS0234: The type or namespace name 'Controls' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(19,22): error CS0234: The type or namespace name 'Documents' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(20,22): error CS0234: The type or namespace name 'Ink' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(22,22): error CS0234: The type or namespace name 'Media' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(23,22): error CS0234: The type or namespace name 'Media' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(24,22): error CS0234: The type or namespace name 'Shapes' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(25,17): error CS0234: The type or namespace name 'Phone' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(26,22): error CS0234: The type or namespace name 'Controls' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(28,22): error CS0234: The type or namespace name 'Media' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(29,22): error CS0234: The type or namespace name 'Resources' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(33,22): error CS0234: The type or namespace name 'Threading' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(16,17): error CS0234: The type or namespace name 'Phone' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(24,22): error CS0234: The type or namespace name 'Media' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(25,22): error CS0234: The type or namespace name 'Threading' does not exist in the namespace 'System.Windows' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\ResolutionHelper.cs(23,25): error CS0101: The namespace 'WPCordovaClassLib.Cordova.Commands' already contains a definition for 'ResolutionHelper' [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(41,18): error CS0101: The namespace 'WPCordovaClassLib.Cordova.Commands' already contains a definition for 'SplashScreen' [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(37,18): error CS0101: The namespace 'WPCordovaClassLib.Cordova.Commands' already contains a definition for 'StatusBar' [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\ResolutionHelper.cs(21,17): error CS0101: The namespace 'WPCordovaClassLib.Cordova.Commands' already contains a definition for 'Resolutions' [C:\Users\kunal\myApp\myApp.csproj]
node_modules\selenium-webdriver\lib\test\data\Page.aspx.cs(4,40): error CS0234: The type or namespace name 'UI' does not exist in the namespace 'System.Web' (are you missing an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(41,33): error CS0246: The type or namespace name 'BaseCommand' could not be found (are you missing a using directive or an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(41,33): error CS0246: The type or namespace name 'BaseCommand' could not be found (are you missing a using directive or an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-statusbar\src\wp\StatusBar.cs(37,30): error CS0246: The type or namespace name 'BaseCommand' could not be found (are you missing a using directive or an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(37,30): error CS0246: The type or namespace name 'BaseCommand' could not be found (are you missing a using directive or an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-statusbar\src\wp\StatusBar.cs(41,19): error CS0246: The type or namespace name 'Color' could not be found (are you missing a using directive or an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(138,17): error CS0246: The type or namespace name 'StreamResourceInfo' could not be found (are you missing a using directive or an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(41,19): error CS0246: The type or namespace name 'Color' could not be found (are you missing a using directive or an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(138,17): error CS0246: The type or namespace name 'StreamResourceInfo' could not be found (are you missing a using directive or an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(86,30): error CS0115: 'SplashScreen.OnInit()': no suitable method found to override [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(86,30): error CS0115: 'SplashScreen.OnInit()': no suitable method found to override [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(41,25): error CS0111: Type 'StatusBar' already defines a member called 'ColorFromHex' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(62,21): error CS0111: Type 'StatusBar' already defines a member called '_ready' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(73,21): error CS0111: Type 'StatusBar' already defines a member called 'overlaysWebView' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(78,21): error CS0111: Type 'StatusBar' already defines a member called 'styleDefault' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(86,21): error CS0111: Type 'StatusBar' already defines a member called 'styleLightContent' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(95,21): error CS0111: Type 'StatusBar' already defines a member called 'styleBlackTranslucent' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(100,21): error CS0111: Type 'StatusBar' already defines a member called 'styleBlackOpaque' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(105,21): error CS0111: Type 'StatusBar' already defines a member called 'backgroundColorByName' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(110,21): error CS0111: Type 'StatusBar' already defines a member called 'backgroundColorByHexString' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(124,21): error CS0111: Type 'StatusBar' already defines a member called 'hide' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-statusbar\src\wp\StatusBar.cs(133,21): error CS0111: Type 'StatusBar' already defines a member called 'show' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
node_modules\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(43,17): error CS0246: The type or namespace name 'Popup' could not be found (are you missing a using directive or an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(43,17): error CS0246: The type or namespace name 'Popup' could not be found (are you missing a using directive or an assembly reference?) [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(58,16): error CS0111: Type 'SplashScreen' already defines a member called '.ctor' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(86,30): error CS0111: Type 'SplashScreen' already defines a member called 'OnInit' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(97,22): error CS0111: Type 'SplashScreen' already defines a member called 'LoadConfigPrefs' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(138,36): error CS0111: Type 'SplashScreen' already defines a member called 'GetSplashScreenImageResource' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(184,21): error CS0111: Type 'SplashScreen' already defines a member called 'show' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(216,21): error CS0111: Type 'SplashScreen' already defines a member called 'hide' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]
plugins\cordova-plugin-splashscreen\src\wp\SplashScreen.cs(244,22): error CS0111: Type 'SplashScreen' already defines a member called 'StartAutoHideTimer' with the same parameter types [C:\Users\kunal\myApp\myApp.csproj]

The build failed. Fix the build errors and run again.

[kunalcodes]

Ah fixed the issue.