Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Generator\Dumper\GeneratorDumper" not found in /srv/disk1/2895578/www/whittonphotographicclub.org.uk/concrete/vendor/symfony/routing/Generator/Dumper/CompiledUrlGeneratorDumper.php:25 Stack trace: #0 {main} thrown in /srv/disk1/2895578/www/whittonphotographicclub.org.uk/concrete/vendor/symfony/routing/Generator/Dumper/CompiledUrlGeneratorDumper.php on line 25