E1804 — Invalid target key epoch

Property	Value
Code	`1804`
Slug	`E1804`
Category	`watchtower` (Watchtower)
CIP	CIP-7

What happened

Invalid target key epoch. This is the receipt’s what text, produced by the host-call result HostError::InvalidTargetKeyEpoch.

Why it happened

The node rejected the operation with E1804 (category watchtower, Watchtower). 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-7.

How to fix

Request the current or a future key epoch.

Receipt example

{
  "code": 1804,
  "slug": "E1804",
  "category": "watchtower",
  "what": "invalid target key epoch",
  "fix": "Request the current or a future key epoch.",
  "docs_url": "https://docs.cowboy.inc/errors/E1804"
}

All Error Codes

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