Fatal error: Uncaught Error: Class 'MWLBFactory' not found in C:\xampp\htdocs\mediawiki\includes\ServiceWiring.php:50 Stack trace: #0 [internal function]: MediaWiki\Services\ServiceContainer->{closure}(Object(MediaWiki\MediaWikiServices)) #1 C:\xampp\htdocs\mediawiki\includes\services\ServiceContainer.php(360): call_user_func_array(Object(Closure), Array) #2 C:\xampp\htdocs\mediawiki\includes\services\ServiceContainer.php(344): MediaWiki\Services\ServiceContainer->createService('DBLoadBalancerF...') #3 C:\xampp\htdocs\mediawiki\includes\MediaWikiServices.php(503): MediaWiki\Services\ServiceContainer->getService('DBLoadBalancerF...') #4 C:\xampp\htdocs\mediawiki\includes\exception\MWExceptionHandler.php(100): MediaWiki\MediaWikiServices->getDBLoadBalancerFactory() #5 C:\xampp\htdocs\mediawiki\includes\exception\MWExceptionHandler.php(129): MWExceptionHandler::rollbackMasterChangesAndLog(Object(Error)) #6 [internal function]: MWExceptionHandler::handleException(Object(Error)) #7 {main} thrown in C:\xampp\htdocs\mediawiki\includes\ServiceWiring.php on line 50

Fatal error: Uncaught Error: Class 'MWDebug' not found in C:\xampp\htdocs\mediawiki\includes\debug\logger\LegacyLogger.php:122 Stack trace: #0 C:\xampp\htdocs\mediawiki\vendor\psr\log\Psr\Log\AbstractLogger.php(69): MediaWiki\Logger\LegacyLogger->log(400, '[{exception_id}...', Array) #1 C:\xampp\htdocs\mediawiki\includes\exception\MWExceptionHandler.php(283): Psr\Log\AbstractLogger->error('[{exception_id}...', Array) #2 [internal function]: MWExceptionHandler::handleFatalError() #3 {main} thrown in C:\xampp\htdocs\mediawiki\includes\debug\logger\LegacyLogger.php on line 122