Fatal error: Uncaught Error: Class "OCP\Files\StorageNotAvailableException" not found in /home/tremblinlu/MyNextCloud/nextcloud/lib/public/Files/StorageConnectionException.php:31 Stack trace: #0 {main} thrown in /home/tremblinlu/MyNextCloud/nextcloud/lib/public/Files/StorageConnectionException.php on line 31