The user is not enabled for the app

Hello Team,

I am trying to get Request token from zerodha connect using below request. I am getting below error response. What could be the reason I am getting this error response.

Scenarios Tried but failed
1 . Incognito window (Chrome)
2 . Safari
3 . Chrome

Request : https://kite.zerodha.com/connect/login?v=3&api_key=myApiKey

Response :

{
"status": "error",
"message": "The user is not enabled for the app.",
"data": null,
"error_type": "InputException"
}