Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DataCollector\DataCollector' not found in C:\Apache24\htdocs\fixedasset\vendor\doctrine\doctrine-migrations-bundle\Collector\MigrationsCollector.php:13 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\fixedasset\vendor\doctrine\doctrine-migrations-bundle\Collector\MigrationsCollector.php on line 13