Fatal error: Uncaught Error: Interface "Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface" not found in /var/www/html/dev.hallescherfc.de/vendor/konradmichalik/typo3-environment-indicator/Classes/TypoScript/TechnicalContextConditionFunctionsProvider.php:33 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/konradmichalik/typo3-environment-indicator/Classes/TypoScript/TechnicalContextConditionFunctionsProvider.php on line 33