Someone help please. Full Stack iOS Notes App - Setting up Database and Web Server (Lesson 1)

Around 32-33 minutes. When you run node server.js i got a diff problem. I have followed the code exactly with a different ipv code obviously. I did the video twice entering the same problem.

I got this.

server is running
Failed to connect MongooseServerSelectionError: connect ECONNREFUSED 127.0.0.1:27017
/Users/tayami/Desktop/Server for note app/node_modules/mongoose/lib/connection.js:825
const serverSelectionError = new ServerSelectionError();
^

MongooseServerSelectionError: connect ECONNREFUSED 127.0.0.1:27017
at NativeConnection.Connection.openUri (/Users/tayami/Desktop/Server for note app/node_modules/mongoose/lib/connection.js:825:32)
at /Users/tayami/Desktop/Server for note app/node_modules/mongoose/lib/index.js:409:10
at /Users/tayami/Desktop/Server for note app/node_modules/mongoose/lib/helpers/promiseOrCallback.js:41:5
at new Promise ()
at promiseOrCallback (/Users/tayami/Desktop/Server for note app/node_modules/mongoose/lib/helpers/promiseOrCallback.js:40:10)
at Mongoose._promiseOrCallback (/Users/tayami/Desktop/Server for note app/node_modules/mongoose/lib/index.js:1262:10)
at Mongoose.connect (/Users/tayami/Desktop/Server for note app/node_modules/mongoose/lib/index.js:408:20)
at Object. (/Users/tayami/Desktop/Server for note app/server.js:7:10)
at Module._compile (node:internal/modules/cjs/loader:1126:14)
at Object.Module._extensions…js (node:internal/modules/cjs/loader:1180:10) {
reason: TopologyDescription {
type: ‘Unknown’,
servers: Map(1) {
‘localhost:27017’ => ServerDescription {
address: ‘localhost:27017’,
type: ‘Unknown’,
hosts: ,
passives: ,
arbiters: ,
tags: {},
minWireVersion: 0,
maxWireVersion: 0,
roundTripTime: -1,
lastUpdateTime: 263120482,
lastWriteDate: 0,
error: MongoNetworkError: connect ECONNREFUSED 127.0.0.1:27017
at connectionFailureError (/Users/tayami/Desktop/Server for note app/node_modules/mongodb/lib/cmap/connect.js:387:20)
at Socket. (/Users/tayami/Desktop/Server for note app/node_modules/mongodb/lib/cmap/connect.js:310:22)
at Object.onceWrapper (node:events:628:26)
at Socket.emit (node:events:513:28)
at emitErrorNT (node:internal/streams/destroy:157:8)
at emitErrorCloseNT (node:internal/streams/destroy:122:3)
at processTicksAndRejections (node:internal/process/task_queues:83:21) {
cause: Error: connect ECONNREFUSED 127.0.0.1:27017
at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1247:16) {
errno: -61,
code: ‘ECONNREFUSED’,
syscall: ‘connect’,
address: ‘127.0.0.1’,
port: 27017
},
[Symbol(errorLabels)]: Set(1) { ‘ResetPool’ }
},
topologyVersion: null,
setName: null,
setVersion: null,
electionId: null,
logicalSessionTimeoutMinutes: null,
primary: null,
me: null,
‘$clusterTime’: null
}
},
stale: false,
compatible: true,
heartbeatFrequencyMS: 10000,
localThresholdMS: 15,
setName: null,
maxElectionId: null,
maxSetVersion: null,
commonWireVersion: 0,
logicalSessionTimeoutMinutes: null
},
code: undefined
}