Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Generator\Dumper\GeneratorDumper" not found in D:\Apache24\www\sciegen\backend\vendor\symfony\routing\Generator\Dumper\CompiledUrlGeneratorDumper.php:25 Stack trace: #0 {main} thrown in D:\Apache24\www\sciegen\backend\vendor\symfony\routing\Generator\Dumper\CompiledUrlGeneratorDumper.php on line 25