# Duplicate (/docs/errors/chain/Duplicate)

This delegate is already registered as a proxy for the delegator with the same proxy type and delay. Check the delegator's `Proxies` entry before calling `add_proxy` with the same (delegate, proxy type, delay) tuple.

Declared by the `Proxy` pallet; it classifies to the semantic code [`already_exists`](/docs/errors/already-exists).

## Remediation [#remediation]

The object or state already exists; treat the goal as met or pick a different target

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