Fatal error: Uncaught Error: Interface 'OCP\IAvatarManager' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/lib/private/AvatarManager.php:42 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/lib/private/AvatarManager.php on line 42