Grant type 'refresh_token' not allowed for the client

I am seeing the below error for the post request:

curl --location --request POST ‘https://xyxyx-cloud-account.auth0.com/oauth/token’ \

–header ‘Content-Type: application/json’ \

–data-raw '{

“grant_type”: “refresh_token”,

“refresh_token”: “”,

“client_id”: “”

}

Response:

{

“error”: “unauthorized_client”,

“error_description”: “Grant type ‘refresh_token’ not allowed for the client.”,

“error_uri”: Application Grant Types

}