MediaWiki API result

This is the HTML representation of the JSON format. HTML is good for debugging, but is unsuitable for application use.
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{
    "error": {
        "code": "internal_api_error_DBQueryError",
        "info": "[ZmwmChm8-eyZ9p_awddtdAAAAAY] 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/uuism/public_html/uuwiki/includes/libs/rdbms/database/Database.php(1236)\nfrom /home/uuism/public_html/uuwiki/includes/libs/rdbms/database/Database.php(1236)\n#0 /home/uuism/public_html/uuwiki/includes/libs/rdbms/database/Database.php(1220): Wikimedia\\Rdbms\\Database->getQueryException(string, integer, string, string)\n#1 /home/uuism/public_html/uuwiki/includes/libs/rdbms/database/Database.php(1194): Wikimedia\\Rdbms\\Database->getQueryExceptionAndLog(string, integer, string, string)\n#2 /home/uuism/public_html/uuwiki/includes/libs/rdbms/database/Database.php(679): Wikimedia\\Rdbms\\Database->reportQueryError(string, integer, string, string, boolean)\n#3 /home/uuism/public_html/uuwiki/includes/libs/rdbms/database/Database.php(1383): Wikimedia\\Rdbms\\Database->query(Wikimedia\\Rdbms\\Query, string)\n#4 /home/uuism/public_html/uuwiki/includes/libs/rdbms/database/Database.php(1392): Wikimedia\\Rdbms\\Database->select(array, array, array, string, array, array)\n#5 /home/uuism/public_html/uuwiki/includes/libs/rdbms/database/DBConnRef.php(119): Wikimedia\\Rdbms\\Database->selectRow(array, array, array, string, array, array)\n#6 /home/uuism/public_html/uuwiki/includes/libs/rdbms/database/DBConnRef.php(369): Wikimedia\\Rdbms\\DBConnRef->__call(string, array)\n#7 /home/uuism/public_html/uuwiki/includes/libs/rdbms/querybuilder/SelectQueryBuilder.php(756): Wikimedia\\Rdbms\\DBConnRef->selectRow(array, array, array, string, array, array)\n#8 /home/uuism/public_html/uuwiki/includes/linker/LinkTargetStore.php(255): Wikimedia\\Rdbms\\SelectQueryBuilder->fetchRow()\n#9 /home/uuism/public_html/uuwiki/includes/libs/objectcache/wancache/WANObjectCache.php(1726): MediaWiki\\Linker\\LinkTargetStore->MediaWiki\\Linker\\{closure}(boolean, integer, array, NULL, array)\n#10 /home/uuism/public_html/uuwiki/includes/libs/objectcache/wancache/WANObjectCache.php(1556): WANObjectCache->fetchOrRegenerate(string, integer, Closure, array, array)\n#11 /home/uuism/public_html/uuwiki/includes/linker/LinkTargetStore.php(257): WANObjectCache->getWithSetCallback(string, integer, Closure)\n#12 /home/uuism/public_html/uuwiki/includes/libs/objectcache/BagOStuff.php(206): MediaWiki\\Linker\\LinkTargetStore->MediaWiki\\Linker\\{closure}(integer)\n#13 /home/uuism/public_html/uuwiki/includes/linker/LinkTargetStore.php(259): BagOStuff->getWithSetCallback(string, integer, Closure)\n#14 /home/uuism/public_html/uuwiki/includes/linker/LinkTargetStore.php(126): MediaWiki\\Linker\\LinkTargetStore->getLinkTargetIdFromCache(MediaWiki\\Title\\Title)\n#15 /home/uuism/public_html/uuwiki/includes/linker/LinksMigration.php(83): MediaWiki\\Linker\\LinkTargetStore->getLinkTargetId(MediaWiki\\Title\\Title)\n#16 /home/uuism/public_html/uuwiki/includes/api/ApiQueryBacklinks.php(148): MediaWiki\\Linker\\LinksMigration->getLinksConditions(string, MediaWiki\\Title\\Title)\n#17 /home/uuism/public_html/uuwiki/includes/api/ApiQueryBacklinks.php(453): ApiQueryBacklinks->runFirstQuery(NULL)\n#18 /home/uuism/public_html/uuwiki/includes/api/ApiQueryBacklinks.php(122): ApiQueryBacklinks->run()\n#19 /home/uuism/public_html/uuwiki/includes/api/ApiQuery.php(695): ApiQueryBacklinks->execute()\n#20 /home/uuism/public_html/uuwiki/includes/api/ApiMain.php(1935): ApiQuery->execute()\n#21 /home/uuism/public_html/uuwiki/includes/api/ApiMain.php(912): ApiMain->executeAction()\n#22 /home/uuism/public_html/uuwiki/includes/api/ApiMain.php(883): ApiMain->executeActionWithErrorHandling()\n#23 /home/uuism/public_html/uuwiki/api.php(95): ApiMain->execute()\n#24 /home/uuism/public_html/uuwiki/api.php(48): wfApiMain()\n#25 {main}"
    }
}