Fatal error: Uncaught Error: Interface 'FOS\HttpCache\ProxyClient\ProxyClient' not found in /home/eberhardschwarze/public_html/vendor/friendsofsymfony/http-cache/src/ProxyClient/Invalidation/RefreshCapable.php:20 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/friendsofsymfony/http-cache/src/ProxyClient/Invalidation/RefreshCapable.php on line 20