Error: Chat.find(…).populate(…).populate(…).strictPopulate is not a function

I am trying to populate group chat in mongoose and node and I receive the error that populate is not a function.

I use mongoose 5.12.9

Here the chatModel:

const mongoose = require('mongoose');

const chatModel = mongoose.Schema(
    {
        chatName: { type: String, trim: true },
        isGroupChat: { type: Boolean, default: false },
        users: [
            {
                type: mongoose.Schema.Types.ObjectId,
                ref: "User",
            },
        ],
        latestMassage: {
            type: mongoose.Schema.Types.ObjectId,
            // required: false,
            ref: "Message",
        },
        groupAdmin: {
            type: mongoose.Schema.Types.ObjectId,
            ref: "User",
        },
    },
    {
        timestamps: true,
    }
);


const Chat = mongoose.model("Chat", chatModel);

module.exports = Chat;

And then the find that I use:

const asyncHandler = require("express-async-handler");
const Chat = require("../models/chatModel");
// const chatModel = require('../models/chatModel');
const User = require("../models/userModel");

const accessChat = asyncHandler(async (req, res) => {
    const { userId } = req.body;

    if (!userId) {
        console.log("UserId param not sent with request");
        return res.sendStatus(400);
    }

    var isChat = await Chat.find({
        isGroupChat: false,
        $and: [
            { users: { $elemMatch: { $eq: req.user._id } } },
            { users: { $elemMatch: { $eq: userId } } },
        ],
    })
        .populate("users", "-password")
        .strictPopulate("latestMessage");

    isChat = await User.populate(isChat, {
        path: "'latestMessage.sender'",
        select: "name pic email",
    });

    if (isChat.length > 0) {
        res.send(isChat[0]);
    }
    else {
        var chatData = {
            chatName: "sender",
            isGroupChat: false,
            users: [req.user._id, userId],
        };

        try {
            const createdChat = await Chat.create(chatData);

            const FullChat = await Chat.findOne({ _id: createdChat._id }).populate("users", "-password");

            res.status(200).send(FullChat);
        } catch (error) {
            res.status(400);
            throw new Error(error.message);
        }
    }
});

module.exports = { accessChat, fetchChats, createGroupChat };

It show the chat in postman with post request using token

……………………………………………………

and it show the Error—

“message”: “Chat.find(…).populate(…).strictPopulate is not a function”,
“stack”: “TypeError: Chat.find(…).populate(…).strictPopulate is not a functionn at D:ProjectChatNETbackendcontrollerschatControllers.js:22:10n at asyncUtilWrap (D:ProjectChatNETnode_modulesexpress-async-handlerindex.js:3:20)n at Layer.handle [as handle_request] (D:ProjectChatNETnode_modulesexpresslibrouterlayer.js:95:5)n at next (D:ProjectChatNETnode_modulesexpresslibrouterroute.js:144:13)n at D:ProjectChatNETbackendmiddlewareauthMiddleware.js:18:13n at process.processTicksAndRejections (node:internal/process/task_queues:95:5)”