Fatal error: Uncaught Error: Interface "Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface" not found in /users/energydata/www/volkszaehler.org/vendor/symfony/routing/Matcher/ExpressionLanguageProvider.php:23 Stack trace: #0 {main} thrown in /users/energydata/www/volkszaehler.org/vendor/symfony/routing/Matcher/ExpressionLanguageProvider.php on line 23