Fatal error: Uncaught Error: Interface 'OCP\Migration\ISchemaMigration' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/workflow/appinfo/Migrations/Version20191002101015.php:21 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/workflow/appinfo/Migrations/Version20191002101015.php on line 21