When visiting a wiki before LocalSettings.php is created, the initial page has a bunch of errors on it about "Premature access to service container".
Deprecated: Premature access to service container [Called from ObjectCache::getLocalServerInstance in C:\www\mediawiki\includes\objectcache\ObjectCache.php at line 255] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'HookContainer' [Called from MediaWiki\MediaWikiServices::getInstance in C:\www\mediawiki\includes\MediaWikiServices.php at line 250] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'ObjectFactory' [Called from Wikimedia\Services\ServiceContainer::{closure} in C:\www\mediawiki\includes\ServiceWiring.php at line 533] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'LocalServerObjectCache' [Called from ObjectCache::getLocalServerInstance in C:\www\mediawiki\includes\objectcache\ObjectCache.php at line 255] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'StatsdDataFactory' [Called from ObjectCache::newFromParams in C:\www\mediawiki\includes\objectcache\ObjectCache.php at line 149] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'MainConfig' [Called from Wikimedia\Services\ServiceContainer::{closure} in C:\www\mediawiki\includes\ServiceWiring.php at line 1398] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'ConfigFactory' [Called from Wikimedia\Services\ServiceContainer::{closure} in C:\www\mediawiki\includes\ServiceWiring.php at line 732] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'BootstrapConfig' [Called from Wikimedia\Services\ServiceContainer::{closure} in C:\www\mediawiki\includes\ServiceWiring.php at line 275] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'DBLoadBalancer' [Called from ObjectCache::{closure} in C:\www\mediawiki\includes\objectcache\ObjectCache.php at line 181] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'DBLoadBalancerFactory' [Called from Wikimedia\Services\ServiceContainer::{closure} in C:\www\mediawiki\includes\ServiceWiring.php at line 381] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'MainWANObjectCache' [Called from Wikimedia\Services\ServiceContainer::{closure} in C:\www\mediawiki\includes\ServiceWiring.php at line 404] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376 Deprecated: Premature access to service 'ConfiguredReadOnlyMode' [Called from Wikimedia\Services\ServiceContainer::{closure} in C:\www\mediawiki\includes\ServiceWiring.php at line 418] in C:\www\mediawiki\includes\debug\MWDebug.php on line 376