---
title: requiredParameterMissing
framework: coremedia
role: symbol
role_heading: Type Property
path: coremedia/cmsamplebuffer/error/requiredparametermissing
---

# requiredParameterMissing

You didn’t provide a valid value for a required parameter.

## Declaration

```swift
static let requiredParameterMissing: NSError
```

## See Also

### Errors

- [allocationFailed](coremedia/cmsamplebuffer/error/allocationfailed.md)
- [alreadyHasDataBuffer](coremedia/cmsamplebuffer/error/alreadyhasdatabuffer.md)
- [arrayTooSmall](coremedia/cmsamplebuffer/error/arraytoosmall.md)
- [bufferHasNoSampleSizes](coremedia/cmsamplebuffer/error/bufferhasnosamplesizes.md)
- [bufferHasNoSampleTimingInfo](coremedia/cmsamplebuffer/error/bufferhasnosampletiminginfo.md)
- [bufferNotReady](coremedia/cmsamplebuffer/error/buffernotready.md)
- [cannotSubdivide](coremedia/cmsamplebuffer/error/cannotsubdivide.md)
- [dataCanceled](coremedia/cmsamplebuffer/error/datacanceled.md)
- [dataFailed](coremedia/cmsamplebuffer/error/datafailed.md)
- [invalidEntryCount](coremedia/cmsamplebuffer/error/invalidentrycount.md)
- [invalidMediaFormat](coremedia/cmsamplebuffer/error/invalidmediaformat.md)
- [invalidMediaTypeForOperation](coremedia/cmsamplebuffer/error/invalidmediatypeforoperation.md)
- [invalidSampleData](coremedia/cmsamplebuffer/error/invalidsampledata.md)
- [invalidated](coremedia/cmsamplebuffer/error/invalidated.md)
- [sampleIndexOutOfRange](coremedia/cmsamplebuffer/error/sampleindexoutofrange.md)