So basically, I am doing this:
app.get("/moderation_enabled", (req, res) => {
    var id = req.param("id");
    con.query(`SELECT moderation FROM server_settings WHERE id=${id}`, (err, result) => {
        if (err) { 
          return res.send(`error ${err}`);
        }
        if (result[0].moderation == undefined){
          return res.send("server not found");
        } else{
          return res.send(result[0].moderation);
        }
    });
})
but, when I run it, when I get an invalid id, then it says server not found, but when it does find it, it gives this error:
thanks in advance!

 
     
    