Cause
A person took control of the object, the integration lost the permission or the channel, or it was revoked. The external write does not advance and has no effect.
What to do
Do not rewrite the object. An administrator can return control. After that, write with a higher source_revision.
application/problem+json
{
"type": "https://masnet.com/developers/errors/manual_control",
"title": "Manual control",
"status": 409,
"detail": "...",
"code": "manual_control",
"correlation_id": "..."
}