Fatal error: Uncaught Error: Interface "TYPO3\CMS\Composer\Plugin\Core\InstallerScript" not found in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-composer-installers/src/Plugin/Core/InstallerScripts/EntryPoint.php:24 Stack trace: #0 {main} thrown in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-composer-installers/src/Plugin/Core/InstallerScripts/EntryPoint.php on line 24