Fatal error: Class 'Symfony\Component\Routing\Generator\Dumper\GeneratorDumper' not found in /var/www/html/dev/spa/vendor/symfony/routing/Symfony/Component/Routing/Generator/Dumper/PhpGeneratorDumper.php on line 23

Call Stack:
    0.0005     245584   1. {main}() /var/www/html/dev/spa/vendor/symfony/routing/Symfony/Component/Routing/Generator/Dumper/PhpGeneratorDumper.php:0