at C:\Users\ELCOT\Desktop\chats app backend\chatsappbackend\chat-backend\node_modules\mongoose\lib\index.js:351:10
at C:\Users\ELCOT\Desktop\chats app backend\chatsappbackend\chat-backend\node_modules\mongoose\lib\helpers\promiseOrCallback.js:32:5
at new Promise (<anonymous>)
at promiseOrCallback (C:\Users\ELCOT\Desktop\chats app backend\chatsappbackend\chat-backend\node_modules\mongoose\lib\helpers\promiseOrCallback.js:31:10)
at Mongoose._promiseOrCallback (C:\Users\ELCOT\Desktop\chats app backend\chatsappbackend\chat-backend\node_modules\mongoose\lib\index.js:1149:10)
at Mongoose.connect (C:\Users\ELCOT\Desktop\chats app backend\chatsappbackend\chat-backend\node_modules\mongoose\lib\index.js:350:20)
at Object.connectDb (C:\Users\ELCOT\Desktop\chats app backend\chatsappbackend\chat-backend\src\config\index.ts:22:18)
at Object.<anonymous> (C:\Users\ELCOT\Desktop\chats app backend\chatsappbackend\chat-backend\src\server.ts:34:1)
at Module._compile (node:internal/modules/cjs/loader:1254:14)
at Module._compile (C:\Users\ELCOT\Desktop\chats app backend\chatsappbackend\chat-backend\node_modules\source-map-support\source-map-support.js:547:25)
at Module.m._compile (C:\Users\ELCOT\AppData\Local\Temp\ts-node-dev-hook-5569744297105346.js:69:33)
at Module._extensions..js (node:internal/modules/cjs/loader:1308:10)
at require.extensions.<computed> (C:\Users\ELCOT\AppData\Local\Temp\ts-node-dev-hook-5569744297105346.js:71:20)
at Object.nodeDevHook [as .ts] (C:\Users\ELCOT\Desktop\chats app backend\chatsappbackend\chat-backend\node_modules\ts-node-dev\lib\hook.js:63:13)
at Module.load (node:internal/modules/cjs/loader:1117:32)
[ERROR] 17:22:02 MongooseError: The `uri` parameter to `openUri()` must be a string, got "undefined". Make sure the first parameter to `mongoose.connect()` or `mongoose.createConnection()` is a string.
Please fix this error my chat application is not working. Any help would be appreciated.