Fatal error: Uncaught Error: Interface 'Symfony\Component\Serializer\Encoder\EncoderInterface' not found in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/serializer/Encoder/ContextAwareEncoderInterface.php:19 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/serializer/Encoder/ContextAwareEncoderInterface.php on line 19