Errors/Chain errors

InvalidKeyOwnershipProof

Check the argument values against the operation schema

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The key ownership proof does not establish that the offending GRANDPA key belonged to the claimed validator at that session. Regenerate the proof via the generate_key_ownership_proof runtime API for the exact set id and authority id in the report.

Declared by the Grandpa pallet; it classifies to the semantic code invalid_argument.

Remediation

Check the argument values against the operation schema

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