Errors/Chain errors
NotAuthorized
Sign with the key or origin that owns the target object, then retry
The caller is not permitted to manage this preimage; unnoting or unrequesting requires the pallet's manager origin or the account that originally deposited it. Check which origin noted or requested the preimage and use that origin or the configured ManagerOrigin.
Declared by the Preimage 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 NotAuthorized.