E1619 — Measurement binding registration requires a verified chip-root proof

Property	Value
Code	`1619`
Slug	`E1619`
Category	`runner` (Runner / Consensus)
CIP	CIP-23 §3.6

What happened

Measurement binding registration requires a verified chip-root proof. This is the receipt’s what text, produced by the node’s ExecutionError::ChipRootProofRequired.

Why it happened

The node rejected the operation with E1619 (category runner, Runner / Consensus). 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-23 §3.6.

How to fix

Complete chip-root SNARK verification before registering a non-Nitro measurement binding. The default build supports Nitro registration through on-chain attestation verification.

Receipt example

{
  "code": 1619,
  "slug": "E1619",
  "category": "runner",
  "what": "measurement binding registration requires a verified chip-root proof",
  "fix": "Complete chip-root SNARK verification before registering a non-Nitro measurement binding. The default build supports Nitro registration through on-chain attestation verification.",
  "docs_url": "https://docs.cowboy.inc/errors/E1619"
}

All Error Codes

View the complete error code reference