Cause
The export includes fields that this API version does not export. The response includes denied_fields.
What to do
Remove the listed fields.
application/problem+json
{
"type": "https://masnet.com/developers/errors/field_not_exportable",
"title": "Fields not exportable",
"status": 422,
"detail": "...",
"code": "field_not_exportable",
"correlation_id": "..."
}