Fatal error: Uncaught Error: Class "Gedmo\Exception\InvalidArgumentException" not found in /home/astechc1/public_html/vendor/gedmo/doctrine-extensions/src/Exception/UnsupportedObjectManagerException.php:19 Stack trace: #0 {main} thrown in /home/astechc1/public_html/vendor/gedmo/doctrine-extensions/src/Exception/UnsupportedObjectManagerException.php on line 19