Errors/Chain errors
NonAssociatedColdKey
Sign with the key or origin that owns the target object, then retry
The signing coldkey does not own the hotkey it is trying to operate on (stake, swap, serve, children or take changes). Check the Owner storage entry for the hotkey, e.g. via btcli wallet overview, and sign with the coldkey that registered it.
Declared by the SubtensorModule pallet; it classifies to the semantic code not_authorized.
Remediation
Sign with the key or origin that owns the target object, then retry
The same explanation is available in the terminal: btcli explain NonAssociatedColdKey.