Errors/Chain errors

Undefined

A chain-side invariant failed; nothing to fix client-side — report it if it persists

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Catch-all EVM validation error for cases without a dedicated variant, such as a malformed EIP-7702 authorization list or an unknown validation failure. Inspect the raw transaction for unsupported fields and check the node logs.

Declared by the EVM pallet; it classifies to the semantic code internal.

Remediation

A chain-side invariant failed; nothing to fix client-side — report it if it persists

The same explanation is available in the terminal: btcli explain Undefined.