Fatal error: Uncaught Error: Interface "TYPO3\CMS\Form\Mvc\Configuration\ConfigurationManagerInterface" not found in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-form/Classes/Mvc/Configuration/ConfigurationManager.php:33 Stack trace: #0 {main} thrown in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-form/Classes/Mvc/Configuration/ConfigurationManager.php on line 33