Fatal error: Uncaught Error: Class "Gedmo\Mapping\MappedEventSubscriber" not found in /home/astechc1/public_html/vendor/gedmo/doctrine-extensions/src/Tree/TreeListener.php:24 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/gedmo/doctrine-extensions/src/Tree/TreeListener.php on line 24