<!--
{
  "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/CMBufferQueue/Error",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "Core Media",
      "CoreMedia"
    ],
    "preciseIdentifier" : "s:So16CMBufferQueueRefa9CoreMediaE5ErrorV"
  },
  "title" : "CMBufferQueue.Error"
}
-->

# CMBufferQueue.Error

```
struct Error
```

## Topics

### Type Properties

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

[`static let badTriggerDuration: NSError`](/documentation/CoreMedia/CMBufferQueue/Error/badTriggerDuration)

[`static let cannotModifyQueueFromTriggerCallback: NSError`](/documentation/CoreMedia/CMBufferQueue/Error/cannotModifyQueueFromTriggerCallback)

[`static let enqueueAfterEndOfData: NSError`](/documentation/CoreMedia/CMBufferQueue/Error/enqueueAfterEndOfData)

[`static let invalidBuffer: NSError`](/documentation/CoreMedia/CMBufferQueue/Error/invalidBuffer)

[`static let invalidCMBufferCallbacksStruct: NSError`](/documentation/CoreMedia/CMBufferQueue/Error/invalidCMBufferCallbacksStruct)

[`static let invalidTriggerCondition: NSError`](/documentation/CoreMedia/CMBufferQueue/Error/invalidTriggerCondition)

[`static let invalidTriggerToken: NSError`](/documentation/CoreMedia/CMBufferQueue/Error/invalidTriggerToken)

[`static let queueIsFull: NSError`](/documentation/CoreMedia/CMBufferQueue/Error/queueIsFull)

[`static let requiredParameterMissing: NSError`](/documentation/CoreMedia/CMBufferQueue/Error/requiredParameterMissing)

## Relationships

### Conforms To

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

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

---

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)