# Requested (/docs/errors/chain/Requested)

The preimage cannot be unnoted while there are still outstanding requests for it. Check the request count in the hash's request status; all requests must be cleared before the preimage can be removed.

Declared by the `Preimage` pallet; it classifies to the semantic code [`invalid_argument`](/docs/errors/invalid-argument).

## Remediation [#remediation]

Check the argument values against the operation schema

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