Fatal error: Uncaught Error: Interface 'ProxyManager\Signature\ClassSignatureGeneratorInterface' not found in /home1/heyerarc/public_html/updates/concrete5-8.5.5_remote_updater/concrete/vendor/ocramius/proxy-manager/src/ProxyManager/Signature/ClassSignatureGenerator.php:30 Stack trace: #0 {main} thrown in /home1/heyerarc/public_html/updates/concrete5-8.5.5_remote_updater/concrete/vendor/ocramius/proxy-manager/src/ProxyManager/Signature/ClassSignatureGenerator.php on line 30