Fatal error: Uncaught Error: Interface 'Symfony\Component\DependencyInjection\ContainerAwareInterface' not found in /home/eberhardschwarze/public_html/vendor/contao/core-bundle/src/Security/ContaoAuthenticator.php:31 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao/core-bundle/src/Security/ContaoAuthenticator.php on line 31