Fatal error: Uncaught Error: Class 'OCP\JSON' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/files_trashbin/ajax/undelete.php:27 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/apps/files_trashbin/ajax/undelete.php on line 27