Fatal error: Uncaught Error: Interface "Psr\EventDispatcher\EventDispatcherInterface" not found in /home/commyhos/public_html/typo3a.com.myhost.id/t2/vendor/typo3/cms-core/Classes/EventDispatcher/EventDispatcher.php:31 Stack trace: #0 {main} thrown in /home/commyhos/public_html/typo3a.com.myhost.id/t2/vendor/typo3/cms-core/Classes/EventDispatcher/EventDispatcher.php on line 31