Fatal error: Uncaught Error: Class 'OC' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/user_shibboleth/appinfo/update.php:17 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/user_shibboleth/appinfo/update.php on line 17