Cause
Creating or publishing in Surveys requires at least one modality in allowed_modalities.
What to do
Grant identified, confidential or both.
application/problem+json
{
"type": "https://masnet.com/developers/errors/modalities_required",
"title": "Modalities required",
"status": 422,
"detail": "...",
"code": "modalities_required",
"correlation_id": "..."
}