Error since last symfony Update explode() expects parameter 2 to be string, int given

[Tobias Töllich]

Bug Report

Reproducing Steps

1. Open Events
2. Click on generate Event
3. Fill the form
4. save
   Display the Error Message: Update explode() expects parameter 2 to be string, int given

[2021-04-10 14:31:40] request.INFO: Matched route "contao_backend". {"route":"contao_backend","route_parameters":{"_route":"contao_backend","_scope":"backend","_token_check":true,"_controller":"Contao\\CoreBundle\\Controller\\BackendController::mainAction"},"request_uri":"https://xxxxx.de/contao?act=edit&cpid=2&do=calendar&id=38&ref=At2t2zIa&rt=36BXXBUwtInN7y-t9BzRRQQdVLrWCl3kjtRdE7OCOMw&table=tl_calendar_event_generator","method":"POST"} [] [2021-04-10 14:31:40] request.CRITICAL: Uncaught PHP Exception TypeError: "explode() expects parameter 2 to be string, int given" at /www/htdocs/w016f8b2/vendor/oneup/contao-event-generator-bundle/src/EventListener/CalendarEventGeneratorListener.php line 116 {"exception":"[object] (TypeError(code: 0): explode() expects parameter 2 to be string, int given at /www/htdocs/vendor/oneup/contao-event-generator-bundle/src/EventListener/CalendarEventGeneratorListener.php:116)"} []

[David Greminger]

Thank you, closing in favor of #3