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": "[aavSufqagywEQEv3@OSYhgAAABQ] Exception caught: A database query error has occurred. This may indicate a bug in the software.",
        "errorclass": "Wikimedia\\Rdbms\\DBQueryError",
        "*": "Wikimedia\\Rdbms\\DBQueryError at /home/wnzkuxt/wiki/includes/libs/rdbms/database/Database.php(1198)\nfrom /home/wnzkuxt/wiki/includes/libs/rdbms/database/Database.php(1198)\n#0 /home/wnzkuxt/wiki/includes/libs/rdbms/database/Database.php(1182): Wikimedia\\Rdbms\\Database->getQueryException(string, int, string, string)\n#1 /home/wnzkuxt/wiki/includes/libs/rdbms/database/Database.php(1156): Wikimedia\\Rdbms\\Database->getQueryExceptionAndLog(string, int, string, string)\n#2 /home/wnzkuxt/wiki/includes/libs/rdbms/database/Database.php(647): Wikimedia\\Rdbms\\Database->reportQueryError(string, int, string, string, bool)\n#3 /home/wnzkuxt/wiki/includes/libs/rdbms/database/Database.php(1345): Wikimedia\\Rdbms\\Database->query(Wikimedia\\Rdbms\\Query, string)\n#4 /home/wnzkuxt/wiki/includes/libs/rdbms/database/DBConnRef.php(127): Wikimedia\\Rdbms\\Database->select(array, array, array, string, array, array)\n#5 /home/wnzkuxt/wiki/includes/libs/rdbms/database/DBConnRef.php(351): Wikimedia\\Rdbms\\DBConnRef->__call(string, array)\n#6 /home/wnzkuxt/wiki/includes/libs/rdbms/querybuilder/SelectQueryBuilder.php(744): Wikimedia\\Rdbms\\DBConnRef->select(array, array, array, string, array, array)\n#7 /home/wnzkuxt/wiki/extensions/AbuseFilter/includes/ChangeTags/ChangeTagsManager.php(97): Wikimedia\\Rdbms\\SelectQueryBuilder->fetchResultSet()\n#8 /home/wnzkuxt/wiki/extensions/AbuseFilter/includes/ChangeTags/ChangeTagsManager.php(134): MediaWiki\\Extension\\AbuseFilter\\ChangeTags\\ChangeTagsManager->loadTagsFromDb(Wikimedia\\Rdbms\\DBConnRef, bool)\n#9 /home/wnzkuxt/wiki/includes/libs/objectcache/WANObjectCache.php(1808): MediaWiki\\Extension\\AbuseFilter\\ChangeTags\\ChangeTagsManager->{closure:MediaWiki\\Extension\\AbuseFilter\\ChangeTags\\ChangeTagsManager::loadTags():117}(bool, int, array, null, array)\n#10 /home/wnzkuxt/wiki/includes/libs/objectcache/WANObjectCache.php(1623): Wikimedia\\ObjectCache\\WANObjectCache->fetchOrRegenerate(string, int, Closure, array, array)\n#11 /home/wnzkuxt/wiki/extensions/AbuseFilter/includes/ChangeTags/ChangeTagsManager.php(114): Wikimedia\\ObjectCache\\WANObjectCache->getWithSetCallback(string, int, Closure)\n#12 /home/wnzkuxt/wiki/extensions/AbuseFilter/includes/ChangeTags/ChangeTagsManager.php(69): MediaWiki\\Extension\\AbuseFilter\\ChangeTags\\ChangeTagsManager->loadTags(bool)\n#13 /home/wnzkuxt/wiki/extensions/AbuseFilter/includes/Hooks/Handlers/ChangeTagsHandler.php(28): MediaWiki\\Extension\\AbuseFilter\\ChangeTags\\ChangeTagsManager->getTagsDefinedByFilters()\n#14 /home/wnzkuxt/wiki/includes/HookContainer/HookContainer.php(159): MediaWiki\\Extension\\AbuseFilter\\Hooks\\Handlers\\ChangeTagsHandler->onListDefinedTags(array)\n#15 /home/wnzkuxt/wiki/includes/HookContainer/HookRunner.php(2393): MediaWiki\\HookContainer\\HookContainer->run(string, array)\n#16 /home/wnzkuxt/wiki/includes/changetags/ChangeTagsStore.php(466): MediaWiki\\HookContainer\\HookRunner->onListDefinedTags(array)\n#17 /home/wnzkuxt/wiki/includes/libs/objectcache/WANObjectCache.php(1808): MediaWiki\\ChangeTags\\ChangeTagsStore::{closure:MediaWiki\\ChangeTags\\ChangeTagsStore::listSoftwareDefinedTags():464}(bool, int, array, null, array)\n#18 /home/wnzkuxt/wiki/includes/libs/objectcache/WANObjectCache.php(1623): Wikimedia\\ObjectCache\\WANObjectCache->fetchOrRegenerate(string, int, Closure, array, array)\n#19 /home/wnzkuxt/wiki/includes/changetags/ChangeTagsStore.php(461): Wikimedia\\ObjectCache\\WANObjectCache->getWithSetCallback(string, int, Closure, array)\n#20 /home/wnzkuxt/wiki/includes/changetags/ChangeTagsStore.php(500): MediaWiki\\ChangeTags\\ChangeTagsStore->listSoftwareDefinedTags()\n#21 /home/wnzkuxt/wiki/includes/api/ApiFeedContributions.php(288): MediaWiki\\ChangeTags\\ChangeTagsStore->listDefinedTags()\n#22 /home/wnzkuxt/wiki/includes/api/ApiBase.php(1969): MediaWiki\\Api\\ApiFeedContributions->getAllowedParams(int)\n#23 /home/wnzkuxt/wiki/includes/api/ApiHelp.php(480): MediaWiki\\Api\\ApiBase->getFinalParams(int)\n#24 /home/wnzkuxt/wiki/includes/api/ApiHelp.php(674): MediaWiki\\Api\\ApiHelp::getHelpInternal(MediaWiki\\Context\\DerivativeContext, array, array, array)\n#25 /home/wnzkuxt/wiki/includes/api/ApiHelp.php(193): MediaWiki\\Api\\ApiHelp::getHelpInternal(MediaWiki\\Context\\DerivativeContext, array, array, array)\n#26 /home/wnzkuxt/wiki/includes/api/ApiHelp.php(83): MediaWiki\\Api\\ApiHelp::getHelp(MediaWiki\\Context\\DerivativeContext, array, array)\n#27 /home/wnzkuxt/wiki/includes/api/ApiMain.php(1974): MediaWiki\\Api\\ApiHelp->execute()\n#28 /home/wnzkuxt/wiki/includes/api/ApiMain.php(942): MediaWiki\\Api\\ApiMain->executeAction()\n#29 /home/wnzkuxt/wiki/includes/api/ApiMain.php(913): MediaWiki\\Api\\ApiMain->executeActionWithErrorHandling()\n#30 /home/wnzkuxt/wiki/includes/api/ApiEntryPoint.php(153): MediaWiki\\Api\\ApiMain->execute()\n#31 /home/wnzkuxt/wiki/includes/MediaWikiEntryPoint.php(200): MediaWiki\\Api\\ApiEntryPoint->execute()\n#32 /home/wnzkuxt/wiki/api.php(44): MediaWiki\\MediaWikiEntryPoint->run()\n#33 {main}"
    }
}