Fatal error: Uncaught UnexpectedValueException: callback 'MediaWiki\Extension\LLMSearch\Hooks::onRegistration' is not callable in /var/www/mediawiki-1.39.17/w/includes/registration/ExtensionRegistry.php:525 Stack trace: #0 /var/www/mediawiki-1.39.17/w/includes/registration/ExtensionRegistry.php(279): ExtensionRegistry->exportExtractedData() #1 /var/www/mediawiki-1.39.17/w/includes/Setup.php(278): ExtensionRegistry->loadFromQueue() #2 /var/www/mediawiki-1.39.17/w/includes/WebStart.php(86): require_once('...') #3 /var/www/mediawiki-1.39.17/w/index.php(44): require('...') #4 /var/www/mediawiki-1.35.13/x/index.php(21): require_once('...') #5 {main} thrown in /var/www/mediawiki-1.39.17/w/includes/registration/ExtensionRegistry.php on line 525