Fatal error: Uncaught Error: Interface 'OCP\Migration\ISimpleMigration' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/user_shibboleth/appinfo/Migrations/Version20180222111255.php:13 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/user_shibboleth/appinfo/Migrations/Version20180222111255.php on line 13