# `Ussd.Exceptions.InvalidResponseError`
[🔗](https://github.com/spesohq/ussd/blob/main/lib/ussd/exceptions.ex#L74)

Raised when `Ussd.use_response/2` is given something that isn't a 2-arity function or a `Ussd.Response` module.

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*Consult [api-reference.md](api-reference.md) for complete listing*