Fatal error: Uncaught Error: Class 'Symfony\Component\Routing\Generator\Dumper\GeneratorDumper' not found in D:\svn\blog\vendor\symfony\routing\Generator\Dumper\CompiledUrlGeneratorDumper.php:23 Stack trace: #0 {main} thrown in D:\svn\blog\vendor\symfony\routing\Generator\Dumper\CompiledUrlGeneratorDumper.php on line 23