Fatal error: Uncaught Error: Class 'JMS\Serializer\Twig\SerializerBaseExtension' not found in /home/ffl2020/public_html/vendor/jms/serializer/src/Twig/SerializerRuntimeExtension.php:13 Stack trace: #0 {main} thrown in /home/ffl2020/public_html/vendor/jms/serializer/src/Twig/SerializerRuntimeExtension.php on line 13