Fatal error: Uncaught RuntimeException: The configuration setting 'wgCreateWikiAIThreshold' was already set by MediaWiki core or another extension, and cannot be set again by CreateWiki. in /var/www/mediawiki/includes/registration/ExtensionProcessor.php:911 Stack trace: #0 /var/www/mediawiki/includes/registration/ExtensionProcessor.php(893): MediaWiki\Registration\ExtensionProcessor->addConfigGlobal() #1 /var/www/mediawiki/includes/registration/ExtensionProcessor.php(288): MediaWiki\Registration\ExtensionProcessor->extractConfig2() #2 /var/www/mediawiki/includes/registration/ExtensionRegistry.php(467): MediaWiki\Registration\ExtensionProcessor->extractInfo() #3 /var/www/mediawiki/includes/registration/ExtensionRegistry.php(330): MediaWiki\Registration\ExtensionRegistry->readFromQueue() #4 /var/www/mediawiki/includes/Setup.php(293): MediaWiki\Registration\ExtensionRegistry->loadFromQueue() #5 /var/www/mediawiki/includes/WebStart.php(85): require_once('...') #6 /var/www/mediawiki/index.php(50): require('...') #7 {main} thrown in /var/www/mediawiki/includes/registration/ExtensionProcessor.php on line 911