Fatal error: Uncaught Error: Class 'Symfony\Component\VarDumper\Caster\EnumStub' not found in /home/app/htdocs/message_gateway/vendor/symfony/var-dumper/Caster/ArgsStub.php:21 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/symfony/var-dumper/Caster/ArgsStub.php on line 21