---
title: CMTimebase Error Codes
framework: coremedia
role: collectionGroup
role_heading: API Collection
path: coremedia/cmtimebase-errors
---

# CMTimebase Error Codes

Constants that represent errors in Core Media timebase operations.

## Topics

### Constants

- [kCMTimebaseError_MissingRequiredParameter](coremedia/kcmtimebaseerror_missingrequiredparameter.md)
- [kCMTimebaseError_InvalidParameter](coremedia/kcmtimebaseerror_invalidparameter.md)
- [kCMTimebaseError_AllocationFailed](coremedia/kcmtimebaseerror_allocationfailed.md)
- [kCMTimebaseError_TimerIntervalTooShort](coremedia/kcmtimebaseerror_timerintervaltooshort.md)
- [kCMTimebaseError_ReadOnly](coremedia/kcmtimebaseerror_readonly.md)

## See Also

### Constants

- [CMClock Error Codes](coremedia/cmclock-error-codes.md)
- [CMSync error codes](coremedia/cmsync-error-codes.md)
- [Timebase Notifications](coremedia/timebase-notifications.md)