Cause
Reactivating requires content from a revision after the withdrawal.
What to do
Send the reactivation with a higher source_revision and the current content.
application/problem+json
{
"type": "https://masnet.com/developers/errors/new_revision_required",
"title": "New revision required",
"status": 409,
"detail": "...",
"code": "new_revision_required",
"correlation_id": "..."
}