change_not_applied

Change cannot be reverted · HTTP 409

#What it means

Only an applied change can be reverted; this one is already reverted, failed, or was superseded.

#What to do

List changes with GET /changes to see its status.

#Example

{
  "type": "https://api.bymundi.com/problems/change_not_applied",
  "title": "Change cannot be reverted",
  "status": 409,
  "detail": "Only an applied change can be reverted; this one is already reverted, failed, or was superseded.",
  "code": "change_not_applied",
  "requestId": "req_…"
}

How to read any error: Errors guide.