Fatal error: Uncaught Error: Interface "ProxyManager\Signature\SignatureCheckerInterface" not found in /home/amper418/shopv2.amperio.ch/vendor/friendsofphp/proxy-manager-lts/src/ProxyManager/Signature/SignatureChecker.php:17 Stack trace: #0 {main} thrown in /home/amper418/shopv2.amperio.ch/vendor/friendsofphp/proxy-manager-lts/src/ProxyManager/Signature/SignatureChecker.php on line 17