Fatal error: Uncaught Error: Interface 'Symfony\Component\VarDumper\Cloner\ClonerInterface' not found in /mnt/volume_lon1_01/backend/adminseppi/vendor/symfony/var-dumper/Cloner/AbstractCloner.php:22 Stack trace: #0 {main} thrown in /mnt/volume_lon1_01/backend/adminseppi/vendor/symfony/var-dumper/Cloner/AbstractCloner.php on line 22