Fatal error: Interface 'Symfony\Component\Routing\Generator\Dumper\GeneratorDumperInterface' not found in /var/www/html/dev/spa/vendor/symfony/routing/Symfony/Component/Routing/Generator/Dumper/GeneratorDumper.php on line 22

Call Stack:
    0.0003     235168   1. {main}() /var/www/html/dev/spa/vendor/symfony/routing/Symfony/Component/Routing/Generator/Dumper/GeneratorDumper.php:0