seko5553

Point one I agree, I mixed up the stuff, that I tried during figuring out what I did wrong. Please consider the database-change-attempts as an error from my side. Sorry...

I'm no programmer/developper so don't take this as tested. I merely copied together what others wrote in simmilar codes. I changed Backup.php, Event.php and Manage.php in this manner: namespace OCA\Backup\Cron;...