Fatal error: Uncaught Error: Class 'Knp\Menu\Provider\ChainProvider' not found in /home/eberhardschwarze/public_html/var/cache/prod/ContainerRjol8xm/getKnpMenu_MenuProviderService.php:8 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/var/cache/prod/ContainerRjol8xm/getKnpMenu_MenuProviderService.php on line 8