---
title: DAL plug-in errors
framework: Core Media I/O
role: collectionGroup
role_heading: API Collection
path: coremediaio/core-media-i-o-errors
---

# DAL plug-in errors

## Topics

### Constants

- [kCMIODevicePermissionsError](coremediaio/kcmiodevicepermissionserror.md)
- [kCMIODeviceUnsupportedFormatError](coremediaio/kcmiodeviceunsupportedformaterror.md)
- [kCMIOHardwareBadDeviceError](coremediaio/kcmiohardwarebaddeviceerror.md)
- [kCMIOHardwareBadObjectError](coremediaio/kcmiohardwarebadobjecterror.md)
- [kCMIOHardwareBadPropertySizeError](coremediaio/kcmiohardwarebadpropertysizeerror.md)
- [kCMIOHardwareBadStreamError](coremediaio/kcmiohardwarebadstreamerror.md)
- [kCMIOHardwareIllegalOperationError](coremediaio/kcmiohardwareillegaloperationerror.md)
- [kCMIOHardwareNoError](coremediaio/kcmiohardwarenoerror.md)
- [kCMIOHardwareNotRunningError](coremediaio/kcmiohardwarenotrunningerror.md)
- [kCMIOHardwareNotStoppedError](coremediaio/kcmiohardwarenotstoppederror.md)
- [kCMIOHardwareSuspendedBySystemError](coremediaio/kcmiohardwaresuspendedbysystemerror.md)
- [kCMIOHardwareUnknownPropertyError](coremediaio/kcmiohardwareunknownpropertyerror.md)
- [kCMIOHardwareUnspecifiedError](coremediaio/kcmiohardwareunspecifiederror.md)
- [kCMIOHardwareUnsupportedOperationError](coremediaio/kcmiohardwareunsupportedoperationerror.md)

## See Also

### Reference

- [DAL plug-in structures](coremediaio/core-media-i-o-structures.md)
- [DAL plug-in functions](coremediaio/core-media-i-o-functions.md)
- [DAL plug-in enumerations](coremediaio/core-media-i-o-enumerations.md)
- [DAL plug-in data types](coremediaio/core-media-i-o-data-types.md)