Commission reversals are disabled
Mapped error generated.reversalDisabled when commission reverse is not allowed. Same root cause as Commission reversal is disabled in Affiliation Settings.
Why this happens
Affiliation Settings have reversal off, or the ops layer throws reversal_disabled before apply.
Diagnose and fix
1. Enable commission reversal in Affiliation Settings.
2. Retry the admin reverse action.
3. Prefer the longer “in Affiliation Settings” article for the exact admin API string.
4. See Affiliate commissions ledger.