Fatal error: Uncaught Error: Interface "Symfony\Component\Serializer\Normalizer\DenormalizerInterface" not found in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/symfony/serializer/Normalizer/ContextAwareDenormalizerInterface.php:21 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/symfony/serializer/Normalizer/ContextAwareDenormalizerInterface.php on line 21