Fatal error: Uncaught Error: Interface "TYPO3\CMS\Core\Package\Cache\PackageCacheInterface" not found in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-core/Classes/Package/Cache/PackageStatesPackageCache.php:31 Stack trace: #0 {main} thrown in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-core/Classes/Package/Cache/PackageStatesPackageCache.php on line 31