{
    "error": {
        "code": "internal_api_error_DBConnectionError",
        "info": "Exception Caught: DB connection error: Connection refused (127.0.0.1:3306)",
        "*": "\n\n#0 /var/www/html/mediawiki/includes/db/LoadBalancer.php(754): DatabaseBase->reportConnectionError('Connection refu...')\n#1 /var/www/html/mediawiki/includes/db/LoadBalancer.php(477): LoadBalancer->reportConnectionError()\n#2 /var/www/html/mediawiki/includes/GlobalFunctions.php(3653): LoadBalancer->getConnection(0, Array, false)\n#3 /var/www/html/mediawiki/includes/cache/LocalisationCache.php(1159): wfGetDB(-1)\n#4 /var/www/html/mediawiki/includes/cache/LocalisationCache.php(404): LCStoreDB->get('uk', 'deps')\n#5 /var/www/html/mediawiki/includes/cache/LocalisationCache.php(450): LocalisationCache->isExpired('uk')\n#6 /var/www/html/mediawiki/includes/cache/LocalisationCache.php(326): LocalisationCache->initLanguage('uk')\n#7 /var/www/html/mediawiki/includes/cache/LocalisationCache.php(260): LocalisationCache->loadItem('uk', 'namespaceNames')\n#8 /var/www/html/mediawiki/languages/Language.php(516): LocalisationCache->getItem('uk', 'namespaceNames')\n#9 /var/www/html/mediawiki/languages/Language.php(573): Language->getNamespaces()\n#10 /var/www/html/mediawiki/includes/api/ApiQuerySiteinfo.php(273): Language->getFormattedNamespaces()\n#11 /var/www/html/mediawiki/includes/api/ApiQuerySiteinfo.php(48): ApiQuerySiteinfo->appendNamespaces('namespaces')\n#12 /var/www/html/mediawiki/includes/api/ApiQuery.php(282): ApiQuerySiteinfo->execute()\n#13 /var/www/html/mediawiki/includes/api/ApiMain.php(913): ApiQuery->execute()\n#14 /var/www/html/mediawiki/includes/api/ApiMain.php(363): ApiMain->executeAction()\n#15 /var/www/html/mediawiki/includes/api/ApiMain.php(334): ApiMain->executeActionWithErrorHandling()\n#16 /var/www/html/mediawiki/api.php(85): ApiMain->execute()\n#17 {main}\n\n"
    }
}