An error occurred while adding the participants

[schulle877]

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---

Steps to reproduce

1. Create a new room results in Error: "Error while creating the conversation". The room is created without the participants, but I have to reload the page to see the new room
2. Trying to add a participant in every room results in "An error occurred while adding the participants". After reloading the page, the participant is added, and can join the room.
3. New users without any rooms can be added to groups with same error but cannot join the call. They even cannot see the new room.

Expected behaviour

New room is created correctly. Adding persons to rooms without errors.

Actual behaviour

See above

Talk app

Talk app version: 23.0.4 (this error occurs since v23)

Custom Signaling server configured: yes - Running version: 9a9ffeb7b2bfa3a50828eb7333e2e931cdcd26b4~docker

Custom TURN server configured: yes

Custom STUN server configured: yes

Browser

Microphone available: yes

Camera available: yes

Operating system: Windows

Browser name: every browser

Browser version: ...

Browser log

Details

``` participantsService.js:93 POST https://example.com/ocs/v2.php/apps/spreed/api/v4/room/uv6e7qvs/participants ```

Server configuration

Operating system: RedHat

Web server: Apache with docker image 33.0.2-apache

Database: Maria

PHP version: Apache with docker image 33.0.2-apache

Nextcloud Version: 33.0.2

List of activated apps:

spreed

Nextcloud configuration:

Details

If you have access to your command line run e.g.:
sudo -u www-data php occ config:list system
from within your Nextcloud installation folder

Server log (data/nextcloud.log)

Details

{
  "reqId": "uHhRNnZJLEnSpXxBqnCW",
  "level": 3,
  "time": "2026-05-04T14:02:39+00:00",
  "remoteAddr": "192.168.201.124",
  "user": "admin",
  "app": "no app in context",
  "method": "POST",
  "url": "/ocs/v2.php/apps/spreed/api/v4/room/uv6e7qvs/participants",
  "scriptName": "/ocs/v2.php",
  "message": "Class \"OCA\\Files_Sharing\\Event\\UserShareAccessUpdatedEvent\" not found in file '/var/www/html/custom_apps/spreed/lib/Service/ParticipantService.php' line 684",
  "userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36",
  "version": "33.0.2.2",
  "exception": {
    "Exception": "Exception",
    "Message": "Class \"OCA\\Files_Sharing\\Event\\UserShareAccessUpdatedEvent\" not found in file '/var/www/html/custom_apps/spreed/lib/Service/ParticipantService.php' line 684",
    "Code": 0,
    "Trace": [
      {
        "file": "/var/www/html/lib/private/AppFramework/App.php",
        "line": 153,
        "function": "dispatch",
        "class": "OC\\AppFramework\\Http\\Dispatcher",
        "type": "->",
        "args": [
          {
            "__class__": "OCA\\Talk\\Controller\\RoomController"
          },
          "addParticipantToRoom"
        ]
      },
      {
        "file": "/var/www/html/lib/private/Route/Router.php",
        "line": 321,
        "function": "main",
        "class": "OC\\AppFramework\\App",
        "type": "::",
        "args": [
          "OCA\\Talk\\Controller\\RoomController",
          "addParticipantToRoom",
          {
            "__class__": "OC\\AppFramework\\DependencyInjection\\DIContainer"
          },
          {
            "_route": "ocs.spreed.room.addparticipanttoroom",
            "apiVersion": "v4",
            "token": "uv6e7qvs"
          }
        ]
      },
      {
        "file": "/var/www/html/ocs/v1.php",
        "line": 61,
        "function": "match",
        "class": "OC\\Route\\Router",
        "type": "->",
        "args": [
          "/ocsapp/apps/spreed/api/v4/room/uv6e7qvs/participants"
        ]
      },
      {
        "file": "/var/www/html/ocs/v2.php",
        "line": 8,
        "args": [
          "/var/www/html/ocs/v1.php"
        ],
        "function": "require_once"
      }
    ],
    "File": "/var/www/html/lib/private/AppFramework/Http/Dispatcher.php",
    "Line": 150,
    "Previous": {
      "Exception": "Error",
      "Message": "Class \"OCA\\Files_Sharing\\Event\\UserShareAccessUpdatedEvent\" not found",
      "Code": 0,
      "Trace": [
        {
          "file": "/var/www/html/custom_apps/spreed/lib/Controller/RoomController.php",
          "line": 1527,
          "function": "addUsers",
          "class": "OCA\\Talk\\Service\\ParticipantService",
          "type": "->",
          "args": [
            "*** sensitive parameters replaced ***"
          ]
        },
        {
          "file": "/var/www/html/lib/private/AppFramework/Http/Dispatcher.php",
          "line": 205,
          "function": "addParticipantToRoom",
          "class": "OCA\\Talk\\Controller\\RoomController",
          "type": "->",
          "args": [
            "AF5A0695-1F88-4193-BA65-3C7657179395",
            "users"
          ]
        },
        {
          "file": "/var/www/html/lib/private/AppFramework/Http/Dispatcher.php",
          "line": 118,
          "function": "executeController",
          "class": "OC\\AppFramework\\Http\\Dispatcher",
          "type": "->",
          "args": [
            {
              "__class__": "OCA\\Talk\\Controller\\RoomController"
            },
            "addParticipantToRoom"
          ]
        },
        {
          "file": "/var/www/html/lib/private/AppFramework/App.php",
          "line": 153,
          "function": "dispatch",
          "class": "OC\\AppFramework\\Http\\Dispatcher",
          "type": "->",
          "args": [
            {
              "__class__": "OCA\\Talk\\Controller\\RoomController"
            },
            "addParticipantToRoom"
          ]
        },
        {
          "file": "/var/www/html/lib/private/Route/Router.php",
          "line": 321,
          "function": "main",
          "class": "OC\\AppFramework\\App",
          "type": "::",
          "args": [
            "OCA\\Talk\\Controller\\RoomController",
            "addParticipantToRoom",
            {
              "__class__": "OC\\AppFramework\\DependencyInjection\\DIContainer"
            },
            {
              "_route": "ocs.spreed.room.addparticipanttoroom",
              "apiVersion": "v4",
              "token": "uv6e7qvs"
            }
          ]
        },
        {
          "file": "/var/www/html/ocs/v1.php",
          "line": 61,
          "function": "match",
          "class": "OC\\Route\\Router",
          "type": "->",
          "args": [
            "/ocsapp/apps/spreed/api/v4/room/uv6e7qvs/participants"
          ]
        },
        {
          "file": "/var/www/html/ocs/v2.php",
          "line": 8,
          "args": [
            "/var/www/html/ocs/v1.php"
          ],
          "function": "require_once"
        }
      ],
      "File": "/var/www/html/custom_apps/spreed/lib/Service/ParticipantService.php",
      "Line": 684
    },
    "message": "Class \"OCA\\Files_Sharing\\Event\\UserShareAccessUpdatedEvent\" not found in file '/var/www/html/custom_apps/spreed/lib/Service/ParticipantService.php' line 684",
    "exception": "{\"class\":\"Exception\",\"message\":\"Class \\\"OCA\\Files_Sharing\\Event\\UserShareAccessUpdatedEvent\\\" not found in file '/var/www/html/custom_apps/spreed/lib/Service/ParticipantService.php' line 684\",\"code\":0,\"file\":\"/var/www/html/lib/private/AppFramework/Http/Dispatcher.php:150\",\"trace\":\"#0 /var/www/html/lib/private/AppFramework/App.php(153): OC\\AppFramework\\Http\\Dispatcher->dispatch(Object(OCA\\Talk\\Controller\\RoomController), 'addParticipantT...')\\n#1 /var/www/html/lib/private/Route/Router.php(321): OC\\AppFramework\\App::main('OCA\\\\Talk\\\\Contro...', 'addParticipantT...', Object(OC\\AppFramework\\DependencyInjection\\DIContainer), Array)\\n#2 /var/www/html/ocs/v1.php(61): OC\\Route\\Router->match('/ocsapp/apps/sp...')\\n#3 /var/www/html/ocs/v2.php(8): require_once('/var/www/html/o...')\\n#4 {main}\",\"previous\":{\"class\":\"Error\",\"message\":\"Class \\\"OCA\\Files_Sharing\\Event\\UserShareAccessUpdatedEvent\\\" not found\",\"code\":0,\"file\":\"/var/www/html/custom_apps/spreed/lib/Service/ParticipantService.php:684\",\"trace\":\"#0 /var/www/html/custom_apps/spreed/lib/Controller/RoomController.php(1527): OCA\\Talk\\Service\\ParticipantService->addUsers(Object(OCA\\Talk\\Room), Array, Object(OC\\User\\User))\\n#1 /var/www/html/lib/private/AppFramework/Http/Dispatcher.php(205): OCA\\Talk\\Controller\\RoomController->addParticipantToRoom('AF5A0695-1F88-4...', 'users')\\n#2 /var/www/html/lib/private/AppFramework/Http/Dispatcher.php(118): OC\\AppFramework\\Http\\Dispatcher->executeController(Object(OCA\\Talk\\Controller\\RoomController), 'addParticipantT...')\\n#3 /var/www/html/lib/private/AppFramework/App.php(153): OC\\AppFramework\\Http\\Dispatcher->dispatch(Object(OCA\\Talk\\Controller\\RoomController), 'addParticipantT...')\\n#4 /var/www/html/lib/private/Route/Router.php(321): OC\\AppFramework\\App::main('OCA\\\\Talk\\\\Contro...', 'addParticipantT...', Object(OC\\AppFramework\\DependencyInjection\\DIContainer), Array)\\n#5 /var/www/html/ocs/v1.php(61): OC\\Route\\Router->match('/ocsapp/apps/sp...')\\n#6 /var/www/html/ocs/v2.php(8): require_once('/var/www/html/o...')\\n#7 {main}\"}}",
    "CustomMessage": "Class \"OCA\\Files_Sharing\\Event\\UserShareAccessUpdatedEvent\" not found in file '/var/www/html/custom_apps/spreed/lib/Service/ParticipantService.php' line 684"
  }
}

[Antreesy]

POST request to /ocs/v2.php/apps/spreed/api/v4/room/uv6e7qvs/participants should not happen at conversation creation since Talk 22 (feature 'conversation-creation-all'). Is the server log from when you separately add someone?

Otherwise missing UserShareAccessUpdatedEvent should be present on server 33, maybe composer is missing?

[schulle877]

Is the server log from when you separately add someone?
-> Yes it is.

I use the nextcloud image as posted and mount the custom_apps folder into the container.
After updating to the latest version of spreed I used "occ update" to update the system.