ErrorException: Warning: Undefined array key "context_chat:context_chat"

[ChristophWurst]

Which version of assistant are you using?

The one for server 30.0.4.1

Which version of Nextcloud are you using?

30.0.4.1

Which browser are you using? In case you are using the phone App, specify the Android or iOS version and device please.

No response

Describe the Bug

ErrorException: Warning: Undefined array key "context_chat:context_chat"
#8 /assistant/lib/Notification/Notifier.php(98): OCA\Assistant\Notification\Notifier::prepare
#7 /var/www/nextcloud/lib/private/Notification/Manager.php(337): OC\Notification\Manager::prepare
#6 /notifications/lib/Controller/EndpointController.php(103): OCA\Notifications\Controller\EndpointController::listNotifications
#5 /var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php(208): OC\AppFramework\Http\Dispatcher::executeController
#4 /var/www/nextcloud/lib/private/AppFramework/Http/Dispatcher.php(114): OC\AppFramework\Http\Dispatcher::dispatch
#3 /var/www/nextcloud/lib/private/AppFramework/App.php(161): OC\AppFramework\App::main
#2 /var/www/nextcloud/lib/private/Route/Router.php(302): OC\Route\Router::match
#1 /var/www/nextcloud/ocs/v1.php(44): require_once
#0 /var/www/nextcloud/ocs/v2.php(7): null

Expected Behavior

No array error

To Reproduce

I don't know