Fatal error: Uncaught Error: Interface 'Contao\CoreBundle\Config\ResourceFinderInterface' not found in /home/eberhardschwarze/public_html/vendor/contao/core-bundle/src/Config/ResourceFinder.php:20 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao/core-bundle/src/Config/ResourceFinder.php on line 20