Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Kernel" not found in /var/www/html/dev.hallescherfc.de/vendor/ssch/typo3-rector/src/Console/Application/Typo3RectorKernel.php:13 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/ssch/typo3-rector/src/Console/Application/Typo3RectorKernel.php on line 13