MediaWiki API result

This is the HTML representation of the JSON format. HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format. To see the non-HTML representation of the JSON format, set format=json.
See the complete documentation, or the API help for more information.
{
    "error": {
        "code": "internal_api_error_DBQueryError",
        "info": "[80d65985e5ec2a5a499f5eb6] Exception caught: A database query error has occurred. This may indicate a bug in the software.",
        "errorclass": "Wikimedia\\Rdbms\\DBQueryError",
        "*": "Wikimedia\\Rdbms\\DBQueryError at /var/www/html/includes/libs/rdbms/database/Database.php(1198)\nfrom /var/www/html/includes/libs/rdbms/database/Database.php(1198)\n#0 /var/www/html/includes/libs/rdbms/database/Database.php(1182): Wikimedia\\Rdbms\\Database->getQueryException(string, int, string, string)\n#1 /var/www/html/includes/libs/rdbms/database/Database.php(1156): Wikimedia\\Rdbms\\Database->getQueryExceptionAndLog(string, int, string, string)\n#2 /var/www/html/includes/libs/rdbms/database/Database.php(647): Wikimedia\\Rdbms\\Database->reportQueryError(string, int, string, string, bool)\n#3 /var/www/html/includes/libs/rdbms/database/Database.php(1718): Wikimedia\\Rdbms\\Database->query(Wikimedia\\Rdbms\\Query, string)\n#4 /var/www/html/includes/libs/rdbms/database/DBConnRef.php(127): Wikimedia\\Rdbms\\Database->delete(string, array, string)\n#5 /var/www/html/includes/libs/rdbms/database/DBConnRef.php(581): Wikimedia\\Rdbms\\DBConnRef->__call(string, array)\n#6 /var/www/html/includes/libs/rdbms/querybuilder/DeleteQueryBuilder.php(232): Wikimedia\\Rdbms\\DBConnRef->delete(string, array, string)\n#7 /var/www/html/includes/language/LCStoreDB.php(98): Wikimedia\\Rdbms\\DeleteQueryBuilder->execute()\n#8 /var/www/html/includes/language/LocalisationCache.php(1295): LCStoreDB->finishWrite()\n#9 /var/www/html/includes/language/LocalisationCache.php(614): LocalisationCache->recache(string)\n#10 /var/www/html/includes/language/LocalisationCache.php(523): LocalisationCache->initLanguage(string)\n#11 /var/www/html/includes/language/LocalisationCache.php(403): LocalisationCache->loadSubitem(string, string, string)\n#12 /var/www/html/includes/language/LocalisationCache.php(419): LocalisationCache->getSubitem(string, string, string)\n#13 /var/www/html/includes/language/MessageCache.php(1267): LocalisationCache->getSubitemWithSource(string, string, string)\n#14 /var/www/html/includes/language/MessageCache.php(1209): MessageCache->getMessageForLang(LanguageEn, string, bool, array)\n#15 /var/www/html/includes/language/MessageCache.php(1106): MessageCache->getMessageFromFallbackChain(LanguageEn, string, bool)\n#16 /var/www/html/includes/Message/Message.php(1552): MessageCache->get(string, bool, LanguageEn, string)\n#17 /var/www/html/includes/Message/Message.php(1035): MediaWiki\\Message\\Message->fetchMessage()\n#18 /var/www/html/includes/Message/Message.php(1125): MediaWiki\\Message\\Message->format(string)\n#19 /var/www/html/includes/title/MalformedTitleException.php(61): MediaWiki\\Message\\Message->text()\n#20 /var/www/html/includes/title/MediaWikiTitleCodec.php(93): MediaWiki\\Title\\MalformedTitleException->__construct(string, string, array)\n#21 /var/www/html/includes/title/MediaWikiTitleCodec.php(403): MediaWiki\\Title\\MediaWikiTitleCodec::MediaWiki\\Title\\{closure}(string, string)\n#22 /var/www/html/includes/title/MediaWikiTitleCodec.php(192): MediaWiki\\Title\\MediaWikiTitleCodec->splitTitleString(string, int)\n#23 /var/www/html/includes/user/UserNameUtils.php(294): MediaWiki\\Title\\MediaWikiTitleCodec->parseTitle(string, int)\n#24 /var/www/html/includes/user/UserFactory.php(96): MediaWiki\\User\\UserNameUtils->getCanonical(string, string)\n#25 /var/www/html/includes/user/User.php(601): MediaWiki\\User\\UserFactory->newFromName(string, string)\n#26 /var/www/html/extensions/ConfirmEdit/includes/Auth/CaptchaPreAuthenticationProvider.php(21): MediaWiki\\User\\User::newFromName(null)\n#27 /var/www/html/includes/auth/AuthManager.php(2573): MediaWiki\\Extension\\ConfirmEdit\\Auth\\CaptchaPreAuthenticationProvider->getAuthenticationRequests(string, array)\n#28 /var/www/html/includes/auth/AuthManager.php(2551): MediaWiki\\Auth\\AuthManager->getAuthenticationRequestsInternal(string, array, array, MediaWiki\\User\\User)\n#29 /var/www/html/includes/api/ApiQueryAuthManagerInfo.php(81): MediaWiki\\Auth\\AuthManager->getAuthenticationRequests(string, MediaWiki\\User\\User)\n#30 /var/www/html/includes/api/ApiQuery.php(711): MediaWiki\\Api\\ApiQueryAuthManagerInfo->execute()\n#31 /var/www/html/includes/api/ApiMain.php(1975): MediaWiki\\Api\\ApiQuery->execute()\n#32 /var/www/html/includes/api/ApiMain.php(943): MediaWiki\\Api\\ApiMain->executeAction()\n#33 /var/www/html/includes/api/ApiMain.php(914): MediaWiki\\Api\\ApiMain->executeActionWithErrorHandling()\n#34 /var/www/html/includes/api/ApiEntryPoint.php(153): MediaWiki\\Api\\ApiMain->execute()\n#35 /var/www/html/includes/MediaWikiEntryPoint.php(200): MediaWiki\\Api\\ApiEntryPoint->execute()\n#36 /var/www/html/api.php(44): MediaWiki\\MediaWikiEntryPoint->run()\n#37 {main}"
    }
}