Fatal error: Uncaught Error: Class "TYPO3Fluid\Fluid\Core\Variables\StandardVariableProvider" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3fluid/fluid/src/Core/Variables/JSONVariableProvider.php:16 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3fluid/fluid/src/Core/Variables/JSONVariableProvider.php on line 16