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 <var>format</var> parameter to change the output format. To see the non-HTML representation of the JSON format, set [http://ciapini.wiki.esiliati.org/api.php?action=query&prop=templates&titles=Main+Page&format=json <kbd>format=json</kbd>]. See the [[mw:API|complete documentation]], or the [[Special:ApiHelp/main|API help]] for more information.

{
    "batchcomplete": "",
    "query": {
        "pages": {
            "1": {
                "pageid": 1,
                "ns": 0,
                "title": "Main Page"
            }
        }
    }
}{
    "error": {
        "code": "internal_api_error_DBTransactionStateError",
        "info": "[3ed76f3c7c6e9c9815b51b11] Caught exception of type Wikimedia\\Rdbms\\DBTransactionStateError",
        "errorclass": "Wikimedia\\Rdbms\\DBTransactionStateError"
    }
}