Can't exchange authorization code for an OAuth access token

Hi, I am trying to obtain OAuth access token according to the documentation Authentication | The Things Stack for LoRaWAN .

After obtaining authorization code, I’m trying to use it to obtain OAuth access token.

After posting the request I got a response with 403 status code with body:

{
    "code": 7,
    "message": "error:pkg/oauth:invalid_grant (invalid, expired or revoked authorization code)",
    "details": [
        {
            "@type": "type.googleapis.com/ttn.lorawan.v3.ErrorDetails",
            "namespace": "pkg/oauth",
            "name": "invalid_grant",
            "message_format": "invalid, expired or revoked authorization code",
            "code": 7
        }
    ]
}

Solved Can’t exchange authorization code for an OAuth access token · Issue #4375 · TheThingsNetwork/lorawan-stack · GitHub