Cause
The credential lacks the scope the resource requires over authorized data, or the integration data permission no longer covers the request.
What to do
Request the right scope in the token and confirm with the company administrator that the integration has the domain and field groups granted.
application/problem+json
{
"type": "https://masnet.com/developers/errors/insufficient_scope",
"title": "Insufficient scope",
"status": 403,
"detail": "...",
"code": "insufficient_scope",
"correlation_id": "..."
}