Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/itscm/dev.its.cm/webserivesits/vendor/symfony/framework-bundle/DependencyInjection/FrameworkExtension.php:145 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webserivesits/vendor/symfony/framework-bundle/DependencyInjection/FrameworkExtension.php on line 145