---
title: internal
framework: metal
role: symbol
role_heading: Type Property
path: metal/mtllibraryerror-swift.struct/internal
---

# internal

The action caused an internal error.

## Declaration

```swift
static var `internal`: MTLLibraryError.Code { get }
```

## See Also

### Errors

- [unsupported](metal/mtllibraryerror-swift.struct/unsupported.md)
- [compileFailure](metal/mtllibraryerror-swift.struct/compilefailure.md)
- [compileWarning](metal/mtllibraryerror-swift.struct/compilewarning.md)
- [fileNotFound](metal/mtllibraryerror-swift.struct/filenotfound.md)
- [functionNotFound](metal/mtllibraryerror-swift.struct/functionnotfound.md)