# InvalidFinalizationConfig (/docs/errors/chain/InvalidFinalizationConfig)

Exactly one of `call` or `target_address` must be set, but both or neither were provided to `create`, or the stored crowdloan holds an inconsistent pair at `finalize` time. Check those two fields on the `create` arguments or the `Crowdloans` entry.

Declared by the `Crowdloan` 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 InvalidFinalizationConfig`.