Fatal error: Uncaught Error: Class "OCA\Files_External\Config\UserContext" not found in /var/www/html/nextcloud/apps/files_external/lib/Config/UserPlaceholderHandler.php:8 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/files_external/lib/Config/UserPlaceholderHandler.php on line 8