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# MTLIOError.Code

The error codes for creating an input/output file handle.

```
enum Code
```

## Topics

### Error codes

[`MTLIOError.Code.urlInvalid`](/documentation/Metal/MTLIOError-swift.struct/Code/urlInvalid)

An error code that represents a problem with a file URL.

[`MTLIOError.Code.internal`](/documentation/Metal/MTLIOError-swift.struct/Code/internal)

An error code that represents a problem internal to the Metal framework.

[`MTLIOError.Code.urlInvalid`](/documentation/Metal/MTLIOError-swift.struct/Code/urlInvalid)

An error code that represents a problem with a file URL.

[`MTLIOError.Code.internal`](/documentation/Metal/MTLIOError-swift.struct/Code/internal)

An error code that represents a problem internal to the Metal framework.


---

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