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": "[3b1784a782aac03bac872042] Exception Caught: A database error has occurred. Did you forget to run maintenance/update.php after upgrading?  See: https://www.mediawiki.org/wiki/Manual:Upgrading#Run_the_update_script\nQuery: SELECT  pl_from,pl_namespace,pl_title  FROM `mw_pagelinks`  FORCE INDEX (pl_from) WHERE pl_from = '1'  ORDER BY pl_namespace,pl_title LIMIT 11  \nFunction: ApiQueryLinks::run\nError: 1176 Key 'pl_from' doesn't exist in table 'mw_pagelinks' (wbo-db-nyc3)\n"
    }
}