CHW-4902 ActionAlreadyUndone
action already undone; retrying will not change the state
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Default message: action already undone; retrying will not change the state
HTTP status:409(client)
Problem. The targeted action has already been rolled back
(undone_at is non-null). Cause. The state transition is one-way;
retrying with the same id will keep failing the same way. Fix. No
action required — the undo has already taken effect. If the original
mutation needs to be re-applied, perform a fresh write. HTTP 409.