I found this error even i changed the test network

[Jatin40]

PS C:\Users\Jatin\OneDrive - nsut.ac.in\Desktop\Truffle\web> truffle migrate --network Goerli

Compiling your contracts...

Compiling .\contracts\Migrations.sol
Compiling .\contracts\demo.sol
Artifacts written to C:\Users\Jatin\OneDrive - nsut.ac.in\Desktop\Truffle\web\build\contracts
Compiled successfully using:

• solc: 0.8.0+commit.c7dfd78e.Emscripten.clang

Starting migrations...

Network name: 'Goerli'
Network id: 5
Block gas limit: 30000000 (0x1c9c380)

1_initial_migration copy.js

Deploying 'Migrations'

transaction hash: 0x8122323dff9c122bafc64ace4f469cb945cfe05b866ef68840907ad3f8902db2
⠏ Blocks: 1 Seconds: 18
C:\Users\Jatin\node_modules\eth-block-tracker\src\polling.js:51
const newErr = new Error(PollingBlockTracker - encountered an error while attempting to update latest block:\n${err.stack})
^
Error: PollingBlockTracker - encountered an error while attempting to update latest block:
undefined
at PollingBlockTracker._performSync (C:\Users\Jatin\node_modules\eth-block-tracker\src\polling.js:51:24)
at processTicksAndRejections (node:internal/process/task_queues:95:5)

[FlaviuWeb3]

Hi @Jatin40 could you please share with me the repository for your contract so I can try to reproduce this?