Getting error { s: 'error', code: -17, message: 'Could not authenticate the user' }

Hello,

Please help me on this postman collection getting error on every API,
I have added appId and access_token in variables with respective values.
{ s: 'error', code: -17, message: 'Could not authenticate the user' }

also getting same error with npm package fyers-api-v2 on nodeJS.