Comprehensive Apple Error Codes

Explore our extensive database of over 5,000 Apple Ecosystem error codes. From macOS to iOS, tvOS, watchOS, and visionOS, each code is presented with its name and a concise description to help you quickly pinpoint and resolve issues.

Whether you’re a developer refining an app or a user troubleshooting a system glitch, this resource empowers you with the knowledge to decode cryptic errors and find actionable solutions. No more guesswork—just clear guidance to keep your projects and devices running smoothly.

Number Name & Description Platforms Framework Header
100019
kPOSIXErrorENODEV
No such device in POSIX
macOS CarbonCore MacErrors.h
100002
kPOSIXErrorENOENT
No such file or directory found on POSIX system.
macOS CarbonCore MacErrors.h
100008
kPOSIXErrorENOEXEC
POSIX error: exec format error.
macOS CarbonCore MacErrors.h
100077
kPOSIXErrorENOLCK
POSIX error ENOLCK: No locks available.
macOS CarbonCore MacErrors.h
100097
kPOSIXErrorENOLINK
Link has been severed on a POSIX file system.
macOS CarbonCore MacErrors.h
100012
kPOSIXErrorENOMEM
Insufficient memory available on POSIX system.
macOS CarbonCore MacErrors.h
100091
kPOSIXErrorENOMSG
No message of the specified type.
macOS CarbonCore MacErrors.h
100042
kPOSIXErrorENOPROTOOPT
POSIX error: protocol not available (ENOPROTOOPT).
macOS CarbonCore MacErrors.h
100028
kPOSIXErrorENOSPC
POSIX error: no space left on device.
macOS CarbonCore MacErrors.h
100098
kPOSIXErrorENOSR
Out of stream resources.
macOS CarbonCore MacErrors.h
100099
kPOSIXErrorENOSTR
POSIX error ENOSTR: No STREAM resources available.
macOS CarbonCore MacErrors.h
100078
kPOSIXErrorENOSYS
Function not implemented on this system
macOS CarbonCore MacErrors.h
100015
kPOSIXErrorENOTBLK
POSIX error: block device required.
macOS CarbonCore MacErrors.h
100057
kPOSIXErrorENOTCONN
Socket is not connected on POSIX system.
macOS CarbonCore MacErrors.h
100020
kPOSIXErrorENOTDIR
Not a directory on POSIX system
macOS CarbonCore MacErrors.h
100066
kPOSIXErrorENOTEMPTY
POSIX error: directory not empty.
macOS CarbonCore MacErrors.h
100038
kPOSIXErrorENOTSOCK
Attempt to use a non-socket as a socket on POSIX.
macOS CarbonCore MacErrors.h
100045
kPOSIXErrorENOTSUP
Operation not supported.
macOS CarbonCore MacErrors.h
100025
kPOSIXErrorENOTTY
POSIX error: inappropriate ioctl for device.
macOS CarbonCore MacErrors.h
100006
kPOSIXErrorENXIO
POSIX error: No such device or address (ENXIO).
macOS CarbonCore MacErrors.h
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