Cannot connect to MongoDB with SSL

[MOJANG]

• NodeBB version: 1.16.2
• NodeBB git hash: 023e4cfcee208a0bae121a6e343a8c53009fd090
• NodeJS version: v15.11.0.
• Installed NodeBB Plugins: No
• Database type: mongo
• Database version: v4.4.4
• Exact steps to cause this issue:

    "mongo": {
        "host": "nodebb-shard-xx-xx.xxxxx.mongodb.net",
        "port": "27017",
        "username": "nodebb",
        "password": "nodebb",
        "database": "nodebb",
        "url": "mongodb://nodebb:#[email protected]:27017/nodebb?ssl=true&authSource=admin"
    },

node app --setup

• What happened instead:

Now configuring mongo database:
2021-03-12T17:06:56.884Z [18868] - warn: NodeBB Setup Aborted.
 MongoServerSelectionError: connection <monitor> to 168.63.xxx.xxx:27017 closed
    at Timeout._onTimeout (C:\Codes\NodeBB\node_modules\mongodb\lib\core\sdam\topology.js:438:30)
    at listOnTimeout (node:internal/timers:557:17)
    at processTimers (node:internal/timers:500:7)