ColdkeySwapDestinationReservationNotFound

No live coldkey-swap destination reservation exists for this account, so release_own_coldkey_swap_destination_reservation has nothing to free. Confirm the account is the reserved destination of an in-flight announcement.

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

Declared at pallets/subtensor/src/macros/errors.rs#L465.

Remediation

The referenced object is not on-chain; check the identifier

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