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NOT_EOA

Message. Agent address has code on chain — EIP-712 signatures from contracts are not accepted

Hint. Sign from a plain EOA (externally-owned account) or use ERC-1271 once supported.

Wire shape

{
  "error": {
    "code": "NOT_EOA",
    "message": "Agent address has code on chain — EIP-712 signatures from contracts are not accepted",
    "hint": "Sign from a plain EOA (externally-owned account) or use ERC-1271 once supported.",
    "docsUrl": "https://docs.tollgatepay.com/errors/not-eoa"
  }
}

Canonical URL

https://docs.tollgatepay.com/errors/not-eoa — this URL is hard-coded into the 402/403/451 docsUrl field. It is stable; renaming the slug requires a migration plan.

Related codes