---
title: IOUSBHostCIExceptionTypeProtocolError
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 11.0+]
path: kernel/iousbhostciexceptiontype/iousbhostciexceptiontypeprotocolerror
---

# IOUSBHostCIExceptionTypeProtocolError

## Declaration

```occ
IOUSBHostCIExceptionTypeProtocolError
```