---
title: IOUSBFamily error codes
framework: IOKit
role: collectionGroup
role_heading: API Collection
path: iokit/usb_h_user-space/iousbfamily_error_codes
---

# IOUSBFamily error codes

## Topics

### Constants

- [kIOUSBClearPipeStallNotRecursive](iokit/kiousbclearpipestallnotrecursive.md)
- [kIOUSBConfigNotFound](iokit/kiousbconfignotfound.md)
- [kIOUSBDeviceCountExceeded](iokit/kiousbdevicecountexceeded.md)
- [kIOUSBDeviceNotHighSpeed](iokit/kiousbdevicenothighspeed.md)
- [kIOUSBDevicePortWasNotSuspended](iokit/kiousbdeviceportwasnotsuspended.md)
- [kIOUSBDeviceTransferredToCompanion](iokit/kiousbdevicetransferredtocompanion.md)
- [kIOUSBEndpointCountExceeded](iokit/kiousbendpointcountexceeded.md)
- [kIOUSBEndpointNotFound](iokit/kiousbendpointnotfound.md)
- [kIOUSBHighSpeedSplitError](iokit/kiousbhighspeedspliterror.md)
- [kIOUSBInterfaceNotFound](iokit/kiousbinterfacenotfound.md)
- [kIOUSBLowLatencyBufferNotPreviouslyAllocated](iokit/kiousblowlatencybuffernotpreviouslyallocated.md)
- [kIOUSBLowLatencyFrameListNotPreviouslyAllocated](iokit/kiousblowlatencyframelistnotpreviouslyallocated.md)
- [kIOUSBNoAsyncPortErr](iokit/kiousbnoasyncporterr.md)
- [kIOUSBNotEnoughPipesErr](iokit/kiousbnotenoughpipeserr.md)
- [kIOUSBNotEnoughPowerErr](iokit/kiousbnotenoughpowererr.md)
- [kIOUSBPipeStalled](iokit/kiousbpipestalled.md)
- [kIOUSBStreamsNotSupported](iokit/kiousbstreamsnotsupported.md)
- [kIOUSBSyncRequestOnWLThread](iokit/kiousbsyncrequestonwlthread.md)
- [kIOUSBTooManyPipesErr](iokit/kiousbtoomanypipeserr.md)
- [kIOUSBTransactionReturned](iokit/kiousbtransactionreturned.md)
- [kIOUSBTransactionTimeout](iokit/kiousbtransactiontimeout.md)
- [kIOUSBUnknownPipeErr](iokit/kiousbunknownpipeerr.md)