E1731 — CBSS: (release_id, proxy_id) already has an open challenge

Property	Value
Code	`1731`
Slug	`E1731`
Category	`cbss` (CBSS)
CIP	CIP-24

What happened

Cbss: (release_id, proxy_id) already has an open challenge. This is the receipt’s what text, produced by the node’s ExecutionError::LivenessChallengeAlreadyOpen.

Why it happened

The node rejected the operation with E1731 (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

(release_id, proxy_id) already has an open challenge.

Receipt example

{
  "code": 1731,
  "slug": "E1731",
  "category": "cbss",
  "what": "cbss: (release_id, proxy_id) already has an open challenge",
  "fix": "(release_id, proxy_id) already has an open challenge.",
  "docs_url": "https://docs.cowboy.inc/errors/E1731"
}

All Error Codes

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