Fatal error: Uncaught Error: Class 'JMS\Serializer\Exception\LogicException' not found in /home/ffl2020/public_html/vendor/jms/serializer/src/Exception/ExpressionLanguageRequiredException.php:10 Stack trace: #0 {main} thrown in /home/ffl2020/public_html/vendor/jms/serializer/src/Exception/ExpressionLanguageRequiredException.php on line 10