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
-39
eofErr
End of file reached.
macOS CarbonCore MacErrors.h
102
EOPNOTSUPP
Operation not supported on the protocol or object.
iOS, macOS, tvOS Kernel errno.h
84
EOVERFLOW
An operation caused a value to exceed its allowable size or range.
iOS, macOS, tvOS Kernel errno.h
105
EOWNERDEAD
Owner of the resource died; recovery actions required.
iOS, macOS, tvOS Kernel errno.h
-14915
eParameterError
Parameter is invalid or not recognized by DirectoryService.
macOS DirectoryService DirServicesTypes.h
-14720
eParameterReceiveError
Could not receive parameter data.
macOS DirectoryService DirServicesTypes.h
-14700
eParameterSendError
Error sending parameter in Directory Services operation.
macOS DirectoryService DirServicesTypes.h
1
EPERM
Operation not permitted due to insufficient permissions.
iOS, macOS, tvOS Kernel errno.h
1
EPErrorGeneric
Execution Policy generic error.
macOS ExecutionPolicy EPErrors.h
46
EPFNOSUPPORT
Protocol family not supported by the system.
iOS, macOS, tvOS Kernel errno.h
32
EPIPE
Broken pipe; operation failed because the pipe was closed.
iOS, macOS, tvOS Kernel errno.h
-14274
ePlugInDataError
Plugin data error in directory services.
macOS DirectoryService DirServicesTypes.h
-14276
ePlugInError
Plugin error occurred in Directory Services.
macOS DirectoryService DirServicesTypes.h
-14277
ePlugInInitError
Plug-in initialization error
macOS DirectoryService DirServicesTypes.h
67
EPROCLIM
Process resource limits reached; additional resource allocations are denied.
iOS, macOS, tvOS Kernel errno.h
76
EPROCUNAVAIL
Procedure unavailable; server or endpoint does not support the operation.
iOS, macOS, tvOS Kernel errno.h
75
EPROGMISMATCH
Program version mismatch; operation cannot proceed.
iOS, macOS, tvOS Kernel errno.h
74
EPROGUNAVAIL
Program unavailable for RPC operations.
iOS, macOS, tvOS Kernel errno.h
100
EPROTO
Protocol error occurred during communication.
iOS, macOS, tvOS Kernel errno.h
43
EPROTONOSUPPORT
Protocol not supported for the requested operation.
iOS, macOS, tvOS Kernel errno.h
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