Using TRY-CATCH

 // POST ROUTE

app.post("/chats", async (req, res,next) => {
  try {
    let { from, to, msg } = req.body;
    let newchat = new Chat({
      from: from,
      msg: msg,
      to: to,
      created_at: new Date(),
    });
    await newchat.save();

    res.redirect("/chats");
  } catch (err) {
    next(err);
  }
});


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