Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface' not found in /home/eberhardschwarze/public_html/vendor/contao-community-alliance/event-dispatcher/src/DependencyInjection/Compiler/AddConfiguratorPass.php:28 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao-community-alliance/event-dispatcher/src/DependencyInjection/Compiler/AddConfiguratorPass.php on line 28