Fatal error: Uncaught Error: Class 'Symfony\Component\DependencyInjection\Definition' not found in /home/itscm/dev.its.cm/apps/vendor/symfony/dependency-injection/Tests/Fixtures/TestDefinition2.php:7 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/apps/vendor/symfony/dependency-injection/Tests/Fixtures/TestDefinition2.php on line 7