Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\ContainerAwareInterface' not found in /home/eberhardschwarze/public_html/vendor/contao/installation-bundle/src/Controller/InstallationController.php:38 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao/installation-bundle/src/Controller/InstallationController.php on line 38