Server: Cannot remove group assignment from user

[redRolf]

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Steps to reproduce

1. Assign a group to a user
2. Try to remove the group assignment from the user

Expected behaviour

Users can be unassigned from groups

Actual behaviour

When trying to remove a user from a group the following pop up appears

Server configuration

Operating system: Fedora CoreOS Running the nextcloud:fpm-alpine docker image

Web server: NGINX

Database: Postgress

PHP version: Version: 7.4.11

Nextcloud version: 20.0.0 Updated Channel Stable

Updated from an older Nextcloud/ownCloud or fresh install: fresh

Where did you install Nextcloud from: Docker-Compose

Signing status:

Signing status

No errors have been found.

List of activated apps:

App list

Enabled:
  - accessibility: 1.6.0
  - activity: 2.13.1
  - admin_audit: 1.10.0
  - bruteforcesettings: 2.0.1
  - cloud_federation_api: 1.3.0
  - comments: 1.10.0
  - dav: 1.16.0
  - federatedfilesharing: 1.10.1
  - files: 1.15.0
  - files_pdfviewer: 2.0.1
  - files_rightclick: 0.17.0
  - files_sharing: 1.12.0
  - files_trashbin: 1.10.1
  - files_versions: 1.13.0
  - files_videoplayer: 1.9.0
  - firstrunwizard: 2.9.0
  - groupfolders: 8.1.0
  - logreader: 2.5.0
  - lookup_server_connector: 1.8.0
  - notifications: 2.8.0
  - oauth2: 1.8.0
  - onlyoffice: 6.0.2
  - password_policy: 1.10.1
  - photos: 1.2.0
  - privacy: 1.4.0
  - provisioning_api: 1.10.0
  - recommendations: 0.8.0
  - serverinfo: 1.10.0
  - settings: 1.2.0
  - sharebymail: 1.10.0
  - survey_client: 1.8.0
  - systemtags: 1.10.0
  - text: 3.1.0
  - theming: 1.11.0
  - twofactor_backupcodes: 1.9.0
  - updatenotification: 1.10.0
  - user_status: 1.0.0
  - viewer: 1.4.0
  - workflowengine: 2.2.0
Disabled:
  - contactsinteraction
  - dashboard
  - encryption
  - federation
  - files_external
  - nextcloud_announcements
  - support
  - user_ldap
  - weather_status3

Nextcloud configuration:

Config report

{
    "system": {
        "memcache.local": "\\OC\\Memcache\\APCu",
        "overwriteprotocol": "https",
        "apps_paths": [
            {
                "path": "\/var\/www\/html\/apps",
                "url": "\/apps",
                "writable": false
            },
            {
                "path": "\/var\/www\/html\/custom_apps",
                "url": "\/custom_apps",
                "writable": true
            }
        ],
        "instanceid": "***REMOVED SENSITIVE VALUE***",
        "passwordsalt": "***REMOVED SENSITIVE VALUE***",
        "secret": "***REMOVED SENSITIVE VALUE***",
        "trusted_domains": [
            "nc.myfancydomain.ch",
            "nginx-server"
        ],
        "datadirectory": "***REMOVED SENSITIVE VALUE***",
        "dbtype": "pgsql",
        "version": "20.0.0.9",
        "overwrite.cli.url": "http:\/\/nc.myfancydomain.ch",
        "dbname": "***REMOVED SENSITIVE VALUE***",
        "dbhost": "***REMOVED SENSITIVE VALUE***",
        "dbport": "",
        "dbtableprefix": "oc_",
        "dbuser": "***REMOVED SENSITIVE VALUE***",
        "dbpassword": "***REMOVED SENSITIVE VALUE***",
        "installed": true,
        "onlyoffice": {
            "DocumentServerUrl": "\/ds-vpath\/",
            "DocumentServerInternalUrl": "http:\/\/onlyoffice-document-server\/",
            "StorageUrl": "http:\/\/nginx-server\/"
        },
        "allow_local_remote_servers": "true",
        "mail_smtpmode": "smtp",
        "mail_smtpsecure": "tls",
        "mail_sendmailmode": "smtp",
        "mail_domain": "***REMOVED SENSITIVE VALUE***",
        "mail_from_address": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpauthtype": "PLAIN",
        "mail_smtpauth": 1,
        "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
        "mail_smtpport": "587",
        "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
        "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
        "redis": {
            "host": "***REMOVED SENSITIVE VALUE***",
            "port": "6379"
        },
        "memcache.distributed": "\\OC\\Memcache\\Redis",
        "memcache.locking": "\\OC\\Memcache\\Redis",
        "loglevel": 2,
        "maintenance": false
    },
    "apps": {
        "accessibility": {
            "installed_version": "1.6.0",
            "types": "",
            "enabled": "yes"
        },
        "activity": {
            "installed_version": "2.13.1",
            "types": "filesystem",
            "enabled": "yes"
        },
        "admin_audit": {
            "installed_version": "1.10.0",
            "types": "logging",
            "enabled": "yes"
        },
        "backgroundjob": {
            "lastjob": "15"
        },
        "bruteforcesettings": {
            "installed_version": "2.0.1",
            "types": "",
            "enabled": "yes"
        },
        "cloud_federation_api": {
            "installed_version": "1.3.0",
            "types": "filesystem",
            "enabled": "yes"
        },
        "comments": {
            "installed_version": "1.10.0",
            "types": "logging",
            "enabled": "yes"
        },
        "contactsinteraction": {
            "installed_version": "1.1.0",
            "types": "dav",
            "enabled": "no"
        },
        "core": {
            "installedat": "1602159949.8128",
            "vendor": "nextcloud",
            "public_webdav": "dav\/appinfo\/v1\/publicwebdav.php",
            "public_files": "files_sharing\/public.php",
            "installed.bundles": "[\"CoreBundle\"]",
            "lastupdatedat": "1602514686",
            "lastupdateResult": "[]",
            "theming.variables": "f7730cbd0a617af747a32f37a673ce0d",
            "oc.integritycheck.checker": "[]",
            "lastcron": "1602500088",
            "backgroundjobs_mode": "cron",
            "shareapi_default_internal_expire_date": "no"
        },
        "dashboard": {
            "installed_version": "7.0.0",
            "types": "",
            "enabled": "no"
        },
        "dav": {
            "installed_version": "1.16.0",
            "types": "filesystem",
            "enabled": "yes"
        },
        "federatedfilesharing": {
            "installed_version": "1.10.1",
            "types": "",
            "enabled": "yes"
        },
        "federation": {
            "installed_version": "1.10.1",
            "types": "authentication",
            "enabled": "no"
        },
        "files": {
            "installed_version": "1.15.0",
            "types": "filesystem",
            "enabled": "yes",
            "cronjob_scan_files": "500"
        },
        "files_pdfviewer": {
            "installed_version": "2.0.1",
            "types": "",
            "enabled": "yes"
        },
        "files_rightclick": {
            "installed_version": "0.17.0",
            "types": "",
            "enabled": "yes"
        },
        "files_sharing": {
            "installed_version": "1.12.0",
            "types": "filesystem",
            "enabled": "yes"
        },
        "files_trashbin": {
            "installed_version": "1.10.1",
            "types": "filesystem,dav",
            "enabled": "yes"
        },
        "files_versions": {
            "installed_version": "1.13.0",
            "types": "filesystem,dav",
            "enabled": "yes"
        },
        "files_videoplayer": {
            "installed_version": "1.9.0",
            "types": "",
            "enabled": "yes"
        },
        "firstrunwizard": {
            "installed_version": "2.9.0",
            "types": "logging",
            "enabled": "yes"
        },
        "groupfolders": {
            "installed_version": "8.1.0",
            "types": "filesystem,dav",
            "enabled": "yes"
        },
        "logreader": {
            "installed_version": "2.5.0",
            "types": "",
            "enabled": "yes"
        },
        "lookup_server_connector": {
            "installed_version": "1.8.0",
            "types": "authentication",
            "enabled": "yes"
        },
        "nextcloud_announcements": {
            "installed_version": "1.9.0",
            "types": "logging",
            "enabled": "no",
            "pub_date": "Thu, 24 Oct 2019 00:00:00 +0200"
        },
        "notifications": {
            "installed_version": "2.8.0",
            "types": "logging",
            "enabled": "yes"
        },
        "oauth2": {
            "installed_version": "1.8.0",
            "types": "authentication",
            "enabled": "yes"
        },
        "onlyoffice": {
            "installed_version": "6.0.2",
            "types": "filesystem",
            "enabled": "yes"
        },
        "password_policy": {
            "installed_version": "1.10.1",
            "types": "authentication",
            "enabled": "yes"
        },
        "photos": {
            "installed_version": "1.2.0",
            "types": "",
            "enabled": "yes"
        },
        "privacy": {
            "installed_version": "1.4.0",
            "types": "",
            "enabled": "yes"
        },
        "provisioning_api": {
            "installed_version": "1.10.0",
            "types": "prevent_group_restriction",
            "enabled": "yes"
        },
        "recommendations": {
            "installed_version": "0.8.0",
            "types": "",
            "enabled": "yes"
        },
        "serverinfo": {
            "installed_version": "1.10.0",
            "types": "",
            "enabled": "yes"
        },
        "settings": {
            "installed_version": "1.2.0",
            "types": "",
            "enabled": "yes"
        },
        "sharebymail": {
            "installed_version": "1.10.0",
            "types": "filesystem",
            "enabled": "yes"
        },
        "support": {
            "installed_version": "1.3.0",
            "types": "session",
            "enabled": "no"
        },
        "survey_client": {
            "installed_version": "1.8.0",
            "types": "",
            "enabled": "yes"
        },
        "systemtags": {
            "installed_version": "1.10.0",
            "types": "logging",
            "enabled": "yes"
        },
        "text": {
            "installed_version": "3.1.0",
            "types": "dav",
            "enabled": "yes"
        },
        "theming": {
            "installed_version": "1.11.0",
            "types": "logging",
            "enabled": "yes",
            "color": "#2F2C2E",
            "backgroundMime": "image\/jpeg",
            "logoMime": "image\/png",
            "name": "Red-Cloud",
            "url": "***REMOVED SENSITIVE VALUE***",
            "slogan": "***REMOVED SENSITIVE VALUE***",
            "cachebuster": "16"
        },
        "twofactor_backupcodes": {
            "installed_version": "1.9.0",
            "types": "",
            "enabled": "yes"
        },
        "updatenotification": {
            "installed_version": "1.10.0",
            "types": "",
            "enabled": "yes",
            "update_check_errors": "0"
        },
        "user_status": {
            "installed_version": "1.0.0",
            "types": "",
            "enabled": "yes"
        },
        "viewer": {
            "installed_version": "1.4.0",
            "types": "",
            "enabled": "yes"
        },
        "weather_status": {
            "installed_version": "1.0.0",
            "types": "",
            "enabled": "no"
        },
        "workflowengine": {
            "installed_version": "2.2.0",
            "types": "filesystem",
            "enabled": "yes"
        }
    }
}

Are you using external storage, if yes which one: none

Are you using encryption: no

Are you using an external user-backend, if yes which one: no

Client configuration

Browser:

Operating system:

Logs

Web server error log

Web server error log

Insert your webserver log here

Nextcloud log (data/nextcloud.log)

Nextcloud log

[no app in context] Error: Exception: Argument 2 passed to OCA\Provisioning_API\Controller\UsersController::removeFromGroup() must be of the type string, null given, called in /var/www/html/lib/private/AppFramework/Http/Dispatcher.php on line 169 at <<closure>>

0. /var/www/html/lib/private/AppFramework/App.php line 152
   OC\AppFramework\Http\Dispatcher->dispatch(OCA\Provisioning ... {}, "removeFromGroup")
1. /var/www/html/lib/private/Route/Router.php line 308
   OC\AppFramework\App::main("OCA\\Provisioni ... r", "removeFromGroup", OC\AppFramework\ ... {}, {action: null,us ... "})
2. /var/www/html/ocs/v1.php line 88
   OC\Route\Router->match("/ocsapp/cloud/users/rzurbruegg/groups")
3. /var/www/html/ocs/v2.php line 24
   require_once("/var/www/html/ocs/v1.php")

DELETE /ocs/v2.php/cloud/users/rzurbruegg/groups
from 159.100.245.54 by rzurbruegg-admin at 2020-10-12T14:51:05+00:00

Browser log

Browser log

Insert your browser log here, this could for example include:

a) The javascript console log
b) The network log
c) ...

[redRolf]

Could be related to or is similar to: https://github.com/nextcloud/server/issues/23340, https://github.com/nextcloud/server/issues/23296, https://github.com/nextcloud/server/issues/23237

If any further information is needed or I can clarify something please do not hesitate to ask :)

[kesselb]

Closing in favour of https://github.com/nextcloud/server/issues/23237. Will be fixed with 20.0.1.