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_DBConnectionError",
        "info": "[ca8fb69adc5bb925d9f6ff28] Exception caught: A database query error has occurred. This may indicate a bug in the software.",
        "errorclass": "Wikimedia\\Rdbms\\DBConnectionError",
        "*": "Wikimedia\\Rdbms\\DBConnectionError at /home/iala/wikis/dictionary-1.37.1/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1513)\nfrom /home/iala/wikis/dictionary-1.37.1/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1513)\n#0 /home/iala/wikis/dictionary-1.37.1/includes/libs/rdbms/loadbalancer/LoadBalancer.php(991): Wikimedia\\Rdbms\\LoadBalancer->reportConnectionError()\n#1 /home/iala/wikis/dictionary-1.37.1/includes/libs/rdbms/loadbalancer/LoadBalancer.php(963): Wikimedia\\Rdbms\\LoadBalancer->getServerConnection()\n#2 /home/iala/wikis/dictionary-1.37.1/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1128): Wikimedia\\Rdbms\\LoadBalancer->getConnection()\n#3 /home/iala/wikis/dictionary-1.37.1/includes/GlobalFunctions.php(2229): Wikimedia\\Rdbms\\LoadBalancer->getMaintenanceConnectionRef()\n#4 /home/iala/wikis/dictionary-1.37.1/extensions/Gadgets/includes/MediaWikiGadgetsDefinitionRepo.php(109): wfGetDB()\n#5 /home/iala/wikis/dictionary-1.37.1/includes/libs/objectcache/wancache/WANObjectCache.php(1700): MediaWikiGadgetsDefinitionRepo->{closure}()\n#6 /home/iala/wikis/dictionary-1.37.1/includes/libs/objectcache/wancache/WANObjectCache.php(1532): WANObjectCache->fetchOrRegenerate()\n#7 /home/iala/wikis/dictionary-1.37.1/extensions/Gadgets/includes/MediaWikiGadgetsDefinitionRepo.php(119): WANObjectCache->getWithSetCallback()\n#8 /home/iala/wikis/dictionary-1.37.1/extensions/Gadgets/includes/MediaWikiGadgetsDefinitionRepo.php(33): MediaWikiGadgetsDefinitionRepo->loadGadgets()\n#9 /home/iala/wikis/dictionary-1.37.1/extensions/Gadgets/includes/GadgetRepo.php(71): MediaWikiGadgetsDefinitionRepo->getGadgetIds()\n#10 /home/iala/wikis/dictionary-1.37.1/extensions/Gadgets/includes/GadgetHooks.php(68): GadgetRepo->getStructuredList()\n#11 /home/iala/wikis/dictionary-1.37.1/includes/HookContainer/HookContainer.php(338): GadgetHooks::userGetDefaultOptions()\n#12 /home/iala/wikis/dictionary-1.37.1/includes/HookContainer/HookContainer.php(137): MediaWiki\\HookContainer\\HookContainer->callLegacyHook()\n#13 /home/iala/wikis/dictionary-1.37.1/includes/HookContainer/HookRunner.php(4102): MediaWiki\\HookContainer\\HookContainer->run()\n#14 /home/iala/wikis/dictionary-1.37.1/includes/user/DefaultOptionsLookup.php(102): MediaWiki\\HookContainer\\HookRunner->onUserGetDefaultOptions()\n#15 /home/iala/wikis/dictionary-1.37.1/includes/user/UserOptionsManager.php(592): MediaWiki\\User\\DefaultOptionsLookup->getDefaultOptions()\n#16 /home/iala/wikis/dictionary-1.37.1/includes/user/UserOptionsManager.php(494): MediaWiki\\User\\UserOptionsManager->loadOriginalOptions()\n#17 /home/iala/wikis/dictionary-1.37.1/includes/user/UserOptionsManager.php(141): MediaWiki\\User\\UserOptionsManager->loadUserOptions()\n#18 /home/iala/wikis/dictionary-1.37.1/includes/user/User.php(2561): MediaWiki\\User\\UserOptionsManager->getOption()\n#19 /home/iala/wikis/dictionary-1.37.1/includes/context/RequestContext.php(384): User->getOption()\n#20 /home/iala/wikis/dictionary-1.37.1/includes/context/DerivativeContext.php(256): RequestContext->getLanguage()\n#21 /home/iala/wikis/dictionary-1.37.1/includes/context/ContextSource.php(154): DerivativeContext->getLanguage()\n#22 /home/iala/wikis/dictionary-1.37.1/includes/api/ApiHelp.php(63): ContextSource->getLanguage()\n#23 /home/iala/wikis/dictionary-1.37.1/includes/api/ApiMain.php(1874): ApiHelp->execute()\n#24 /home/iala/wikis/dictionary-1.37.1/includes/api/ApiMain.php(853): ApiMain->executeAction()\n#25 /home/iala/wikis/dictionary-1.37.1/includes/api/ApiMain.php(824): ApiMain->executeActionWithErrorHandling()\n#26 /home/iala/wikis/dictionary-1.37.1/api.php(90): ApiMain->execute()\n#27 /home/iala/wikis/dictionary-1.37.1/api.php(45): wfApiMain()\n#28 {main}"
    }
}