Fatal error: Uncaught Error: Interface "TYPO3\CMS\Backend\Search\LiveSearch\SearchProviderInterface" not found in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-backend/Classes/Search/LiveSearch/BackendModuleProvider.php:31 Stack trace: #0 {main} thrown in /home/rcmch/test.m-s-i.ch/vendor/typo3/cms-backend/Classes/Search/LiveSearch/BackendModuleProvider.php on line 31