Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface' not found in /home/itscm/dev.its.cm/webserivesits/vendor/jms/serializer-bundle/Cache/CacheWarmer.php:12 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webserivesits/vendor/jms/serializer-bundle/Cache/CacheWarmer.php on line 12