Fatal error: Uncaught Error: Interface 'OCP\Migration\ISimpleMigration' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/core/Migrations/Version20171026130750.php:12 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/core/Migrations/Version20171026130750.php on line 12