---
title: HPKE.Errors.unexpectedPSK
framework: cryptokit
role: symbol
role_heading: Case
path: cryptokit/hpke/errors/unexpectedpsk
---

# HPKE.Errors.unexpectedPSK

The PSK isn’t nil and the object is in base mode, or in authentication mode.

## Declaration

```swift
case unexpectedPSK
```