LockHotkeyMismatch

The coldkey already has a conviction lock on this subnet bound to a different hotkey, and locks for one coldkey per subnet must target a single hotkey. Check the existing lock's hotkey in the lock storage for the coldkey and netuid, or move the lock first.

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

Declared at pallets/subtensor/src/macros/errors.rs#L305.

Remediation

Check the argument values against the operation schema

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