500 server error when accepting events
[14-Sep-2014 21:50:35,000000 +0200]: PHP Error: No driver found for calendar "Business". (POST /?_task=calendar&_action=attend?_task=&_action=)
errors lines 1-2/2 (END)
[14-Sep-2014 21:50:35,000000 +0200]: PHP Error: No driver found for calendar "Business". (POST /?_task=calendar&_action=attend?_task=&_action=)
errors lines 1-2/2 (END)