---
title: kIOPCIUncorrectableErrorBitUnsupportedRequest
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1640328-anonymous/kiopciuncorrectableerrorbitunsupportedrequest
---

# kIOPCIUncorrectableErrorBitUnsupportedRequest

## Declaration

```occ
kIOPCIUncorrectableErrorBitUnsupportedRequest = 20
```