Fatal error: Uncaught Error: Interface 'Contao\ManagerPlugin\Bundle\Parser\ParserInterface' not found in /home/eberhardschwarze/public_html/vendor/contao/manager-plugin/src/Bundle/Parser/DelegatingParser.php:13 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao/manager-plugin/src/Bundle/Parser/DelegatingParser.php on line 13