Fatal error: Uncaught Error: Interface 'OCP\Migration\ISimpleMigration' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/dav/appinfo/Migrations/Version20170526100342.php:30 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/dav/appinfo/Migrations/Version20170526100342.php on line 30