---
title: MTLLibraryError.Code.internal
framework: metal
role: symbol
role_heading: Case
path: metal/mtllibraryerror-swift.struct/code/internal
---

# MTLLibraryError.Code.internal

The action caused an internal error.

## Declaration

```swift
case `internal`
```

## See Also

### Errors

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