Fatal error: Uncaught Error: Class "OC\AppFramework\Middleware\Security\Exceptions\SecurityException" not found in /home/tremblinlu/MyNextCloud/nextcloud/lib/private/AppFramework/Middleware/Security/Exceptions/NotLoggedInException.php:36 Stack trace: #0 {main} thrown in /home/tremblinlu/MyNextCloud/nextcloud/lib/private/AppFramework/Middleware/Security/Exceptions/NotLoggedInException.php on line 36