Cause
The field group of the path is not granted.
What to do
Grant the group or remove the path.
application/problem+json
{
"type": "https://masnet.com/developers/errors/field_group_missing",
"title": "Field group missing",
"status": 422,
"detail": "...",
"code": "field_group_missing",
"correlation_id": "..."
}