Fatal error: Uncaught Error: Class "OCA\Deck\Controller\AttachmentApiController" not found in /var/www/html/nextcloud/apps/deck/lib/Controller/AttachmentApiV11Controller.php:9 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/deck/lib/Controller/AttachmentApiV11Controller.php on line 9