Errors/Chain errors
InvalidRevealRound
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A timelocked weights commit specified a reveal_round older than the latest stored DRAND round, so it could be decrypted immediately. Query the drand pallet's LastStoredRound and commit with a future round number.
Declared by the SubtensorModule pallet; it classifies to the semantic code expired.
Remediation
The window has closed; restart the flow with fresh state
The same explanation is available in the terminal: btcli explain InvalidRevealRound.