Fatal error: Uncaught Error: Interface "OCP\Mail\Provider\IMessage" not found in /home/tzuovhm/tzuovhm/nextcloud/lib/public/Mail/Provider/Message.php:19 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/lib/public/Mail/Provider/Message.php on line 19