Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Email" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-core/Classes/Mail/FluidEmail.php:34 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-core/Classes/Mail/FluidEmail.php on line 34