E1721 — CBSS: committee_epoch_at_serve neither current nor a retained prior

Property	Value
Code	`1721`
Slug	`E1721`
Category	`cbss` (CBSS)
CIP	CIP-24

What happened

Cbss: committee_epoch_at_serve neither current nor a retained prior. This is the receipt’s what text, produced by the node’s ExecutionError::StaleCommitteeEpoch.

Why it happened

The node rejected the operation with E1721 (category cbss, CBSS). The receipt’s why field carries the specific cause and context carries structured details, when the emitter attaches any. The normative rule is in CIP-24.

How to fix

committee_epoch_at_serve neither current nor a retained prior.

Receipt example

{
  "code": 1721,
  "slug": "E1721",
  "category": "cbss",
  "what": "cbss: committee_epoch_at_serve neither current nor a retained prior",
  "fix": "committee_epoch_at_serve neither current nor a retained prior.",
  "docs_url": "https://docs.cowboy.inc/errors/E1721"
}

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