---
title: Error Codes
framework: assetslibrary
role: collectionGroup
role_heading: API Collection
path: assetslibrary/error-codes
---

# Error Codes

AssetsLibrary-related error codes

## Topics

### Constants

- [ALAssetsLibraryUnknownError](assetslibrary/alassetslibraryunknownerror.md)
- [ALAssetsLibraryWriteFailedError](assetslibrary/alassetslibrarywritefailederror.md)
- [ALAssetsLibraryWriteBusyError](assetslibrary/alassetslibrarywritebusyerror.md)
- [ALAssetsLibraryWriteInvalidDataError](assetslibrary/alassetslibrarywriteinvaliddataerror.md)
- [ALAssetsLibraryWriteIncompatibleDataError](assetslibrary/alassetslibrarywriteincompatibledataerror.md)
- [ALAssetsLibraryWriteDataEncodingError](assetslibrary/alassetslibrarywritedataencodingerror.md)
- [ALAssetsLibraryWriteDiskSpaceError](assetslibrary/alassetslibrarywritediskspaceerror.md)
- [ALAssetsLibraryDataUnavailableError](assetslibrary/alassetslibrarydataunavailableerror.md)
- [ALAssetsLibraryAccessUserDeniedError](assetslibrary/alassetslibraryaccessuserdeniederror.md)
- [ALAssetsLibraryAccessGloballyDeniedError](assetslibrary/alassetslibraryaccessgloballydeniederror.md)

## See Also

### Constants

- [Types of Asset](assetslibrary/types-of-asset.md)
- [Notification Keys](assetslibrary/notification-keys.md)
- [Error Domain](assetslibrary/error-domain.md)