Fatal error: Uncaught Error: Interface "TYPO3\CMS\Reactions\Reaction\ReactionInterface" not found in /var/www/html/dev.hallescherfc.de/packages/cart_unzerpayment/Classes/Reaction/PaypalTransactionDetailsReaction.php:18 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/packages/cart_unzerpayment/Classes/Reaction/PaypalTransactionDetailsReaction.php on line 18