Fatal error: Uncaught Error: Interface 'TYPO3Fluid\Fluid\Core\Variables\VariableProviderInterface' not found in /var/www/typo3/vendor/typo3fluid/fluid/src/Core/Variables/StandardVariableProvider.php:13 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/typo3fluid/fluid/src/Core/Variables/StandardVariableProvider.php on line 13