Fatal error: Uncaught Error: Interface "Psr\Cache\CacheItemPoolInterface" not found in /home/amper418/shopv2.amperio.ch/vendor/symfony/cache/Adapter/AdapterInterface.php:25 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/symfony/cache/Adapter/AdapterInterface.php on line 25