<!--
{
  "availability" : [
    "iOS: 13.0.0 -",
    "iPadOS: 13.0.0 -",
    "macCatalyst: -",
    "macOS: 10.15.0 -",
    "tvOS: 13.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 6.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "CoreMedia",
  "identifier" : "/documentation/CoreMedia/CMFormatDescription/Error",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "Core Media",
      "CoreMedia"
    ],
    "preciseIdentifier" : "s:So22CMFormatDescriptionRefa9CoreMediaE5ErrorV"
  },
  "title" : "CMFormatDescription.Error"
}
-->

# CMFormatDescription.Error

A type that describes format description errors.

```
struct Error
```

## Topics

### Errors

[`static let allocationFailed: NSError`](/documentation/CoreMedia/CMFormatDescription/Error/allocationFailed)

[`static let invalidParameter: NSError`](/documentation/CoreMedia/CMFormatDescription/Error/invalidParameter)

[`static let valueNotAvailable: NSError`](/documentation/CoreMedia/CMFormatDescription/Error/valueNotAvailable)

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)