Owncloud docker exits with error (access deneid for user owncloud)

Apps & App Center
, ,
9

Both

/var/lib/univention-appcenter/apps/owncloud/data/backup

and

/var/lib/univention-appcenter/apps/owncloud/data/backups

contains a databse.sql file.
00003

This file should contain a dump of the database witch is made at the upgrade?