Fatal error: Uncaught Error: Class 'Symfony\Component\ErrorHandler\Exception\FlattenException' not found in /home/logercm/dev.loger.cm/vendor/easycorp/easyadmin-bundle/src/Exception/FlattenException.php:11 Stack trace: #0 {main} thrown in /home/logercm/dev.loger.cm/vendor/easycorp/easyadmin-bundle/src/Exception/FlattenException.php on line 11