Fatal error: Uncaught Error: Class "OCP\TextToImage\Events\AbstractTextToImageEvent" not found in /home/tzuovhm/tzuovhm/lib/public/TextToImage/Events/TaskFailedEvent.php:18 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/lib/public/TextToImage/Events/TaskFailedEvent.php on line 18