Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DataCollector\DataCollector' not found in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/swiftmailer-bundle/DataCollector/MessageDataCollector.php:26 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/swiftmailer-bundle/DataCollector/MessageDataCollector.php on line 26