Fatal error: Uncaught Error: Interface 'Symfony\Component\Serializer\Normalizer\NormalizerInterface' not found in /home/itscm/dev.its.cm/itsrestapi/src/Swagger/SwaggerDecorator.php:16 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsrestapi/src/Swagger/SwaggerDecorator.php on line 16