Fatal error: Uncaught Error: Class "Wikimedia\ScopedCallback" not found in /home/nici/websites/bernd-und-nici.de/htdocs/wiki/vendor/wikimedia/services/src/ServiceContainer.php:441 Stack trace: #0 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/vendor/wikimedia/services/src/ServiceContainer.php(411): Wikimedia\Services\ServiceContainer->createService() #1 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/MediaWikiServices.php(356): Wikimedia\Services\ServiceContainer->getService() #2 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/MediaWikiServices.php(1194): MediaWiki\MediaWikiServices->getService() #3 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/exception/MWExceptionHandler.php(793): MediaWiki\MediaWikiServices->getHookContainer() #4 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/exception/MWExceptionHandler.php(325): MWExceptionHandler::logError() #5 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/AutoLoader.php(223): MWExceptionHandler::handleError() #6 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/AutoLoader.php(223): require('...') #7 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/vendor/wikimedia/services/src/ServiceContainer.php(441): AutoLoader::autoload() #8 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/vendor/wikimedia/services/src/ServiceContainer.php(411): Wikimedia\Services\ServiceContainer->createService() #9 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/MediaWikiServices.php(356): Wikimedia\Services\ServiceContainer->getService() #10 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/MediaWikiServices.php(1066): MediaWiki\MediaWikiServices->getService() #11 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/exception/MWExceptionHandler.php(167): MediaWiki\MediaWikiServices->getDBLoadBalancerFactory() #12 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/exception/MWExceptionHandler.php(193): MWExceptionHandler::rollbackPrimaryChanges() #13 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/exception/MWExceptionHandler.php(236): MWExceptionHandler::rollbackPrimaryChangesAndLog() #14 /home/nici/websites/bernd-und-nici.de/htdocs/wiki/includes/exception/MWExceptionHandler.php(205): MWExceptionHandler::handleException() #15 [internal function]: MWExceptionHandler::handleUncaughtException() #16 {main} thrown in /home/nici/websites/bernd-und-nici.de/htdocs/wiki/vendor/wikimedia/services/src/ServiceContainer.php on line 441