Fatal error: Uncaught Error: Class 'Symfony\Component\Routing\Generator\Dumper\GeneratorDumper' not found in E:\xampp\htdocs\vendor\symfony\routing\Generator\Dumper\PhpGeneratorDumper.php:22 Stack trace: #0 {main} thrown in E:\xampp\htdocs\vendor\symfony\routing\Generator\Dumper\PhpGeneratorDumper.php on line 22