Fatal error: Uncaught Error: Class "OCP\AppFramework\Db\Entity" not found in /home/tzuovhm/tzuovhm/apps_/mail/lib/Db/LocalMessage.php:55 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps_/mail/lib/Db/LocalMessage.php on line 55