Fatal error: Uncaught Error: Class "OC\AppFramework\Utility\SimpleContainer" not found in /home/tremblinlu/MyNextCloud/nextcloud/lib/private/AppFramework/DependencyInjection/DIContainer.php:70 Stack trace: #0 {main} thrown in /home/tremblinlu/MyNextCloud/nextcloud/lib/private/AppFramework/DependencyInjection/DIContainer.php on line 70