Fatal error: Uncaught Error: Class "Symfony\Component\VarDumper\Cloner\Stub" not found in /home/kartulirest/public_html/xyz.kartulirest.de/vendor/symfony/var-dumper/Caster/DsPairStub.php:19 Stack trace: #0 {main} thrown in /home/kartulirest/public_html/xyz.kartulirest.de/vendor/symfony/var-dumper/Caster/DsPairStub.php on line 19