Fatal error: Uncaught Error: Interface "Psr\Cache\CacheItemInterface" not found in /home/amper418/shopv2.amperio.ch/vendor/symfony/cache-contracts/ItemInterface.php:23 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/symfony/cache-contracts/ItemInterface.php on line 23