{"error":{"code":"internal_api_error_Error","info":"[32b1d877e91e565517913696] Exception caught: Class \"MediaWiki\\Extension\\Gadgets\\Api\\ApiQueryGadgetCategories\" not found","errorclass":"Error","*":"Error at /var/www/mediawiki/w/vendor/wikimedia/object-factory/src/ObjectFactory.php(240)\nfrom /var/www/mediawiki/w/vendor/wikimedia/object-factory/src/ObjectFactory.php(240)\n#0 /var/www/mediawiki/w/vendor/wikimedia/object-factory/src/ObjectFactory.php(149): Wikimedia\\ObjectFactory\\ObjectFactory::getObjectFromSpec(array, array)\n#1 /var/www/mediawiki/w/includes/api/ApiModuleManager.php(177): Wikimedia\\ObjectFactory\\ObjectFactory->createObject(array, array)\n#2 /var/www/mediawiki/w/includes/api/ApiModuleManager.php(156): ApiModuleManager->instantiateModule(string, array)\n#3 /var/www/mediawiki/w/includes/api/ApiParamInfo.php(196): ApiModuleManager->getModule(string)\n#4 /var/www/mediawiki/w/includes/api/ApiParamInfo.php(95): ApiParamInfo->listAllSubmodules(ApiQuery, boolean)\n#5 /var/www/mediawiki/w/includes/api/ApiMain.php(1946): ApiParamInfo->execute()\n#6 /var/www/mediawiki/w/includes/api/ApiMain.php(922): ApiMain->executeAction()\n#7 /var/www/mediawiki/w/includes/api/ApiMain.php(893): ApiMain->executeActionWithErrorHandling()\n#8 /var/www/mediawiki/w/includes/api/ApiEntryPoint.php(158): ApiMain->execute()\n#9 /var/www/mediawiki/w/includes/MediaWikiEntryPoint.php(199): MediaWiki\\Api\\ApiEntryPoint->execute()\n#10 /var/www/mediawiki/w/api.php(44): MediaWiki\\MediaWikiEntryPoint->run()\n#11 {main}"}}