Fatal error: Uncaught Error: Interface "OCP\EventDispatcher\IEventListener" not found in /home/tzuovhm/tzuovhm/lib_/private/Blurhash/Listener/GenerateBlurhashMetadata.php:29 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/lib_/private/Blurhash/Listener/GenerateBlurhashMetadata.php on line 29