Deprecated warning: OCA\BigBlueButton\Activity\Provider::parse() threw \InvalidArgumentException which is deprecated.

[gwire]

Describe the bug
There are many deprecation warnings in the NextCloud logs, happening basically every couple of seconds.

System (please complete the following information):

• App version 2.9.3
• Nextcloud version 34.0.2

Nextcloud log:

[activity] Warning: OCA\BigBlueButton\Activity\Provider::parse() threw \InvalidArgumentException which is
deprecated. Throw \OCP\Activity\Exceptions\UnknownActivityException when the event is not known to your 
provider and otherwise handle all \InvalidArgumentException yourself.
        GET /nextcloud/ocs/v2.php/apps/notifications/api/v2/notifications
        from xxxx by xxx at 27 Jul 2026, 17:33:41