Apple Error Codes Database
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 |
|---|---|---|---|---|
| 47 |
EAFNOSUPPORT
Address family not supported by the protocol.
|
iOS, macOS, tvOS | Kernel | errno.h |
| 35 |
EAGAIN
Resource temporarily unavailable; operation should be retried.
|
iOS, macOS, tvOS | Kernel | errno.h |
| 1 |
EAI_ADDRFAMILY
Address family not supported for the specified operation.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 2 |
EAI_AGAIN
Temporary failure in name resolution.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 3 |
EAI_BADFLAGS
Invalid flags specified for the operation.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 12 |
EAI_BADHINTS
Invalid hints provided for the address resolution.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 4 |
EAI_FAIL
Address resolution failed due to an unspecified error.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 5 |
EAI_FAMILY
Invalid or unsupported address family specified.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 6 |
EAI_MEMORY
Memory allocation failure in network.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 7 |
EAI_NODATA
No data available for the requested operation.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 8 |
EAI_NONAME
Host or service name could not be resolved.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 14 |
EAI_OVERFLOW
Operation failed due to buffer or value overflow.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 13 |
EAI_PROTOCOL
Protocol error in address resolution.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 9 |
EAI_SERVICE
Service name is not supported for the requested operation.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 10 |
EAI_SOCKTYPE
Invalid or unsupported socket type specified.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 11 |
EAI_SYSTEM
System error occurred during address resolution.
|
iOS, macOS, tvOS | Kernel | netdb.h |
| 37 |
EALREADY
Operation already in progress.
|
iOS, macOS, tvOS | Kernel | errno.h |
| 80 |
EAUTH
Authentication error; credentials provided are invalid or mismatched.
|
iOS, macOS, tvOS | Kernel | errno.h |
| 86 |
EBADARCH
Invalid architecture; binary incompatible with the system's architecture.
|
iOS, macOS, tvOS | Kernel | errno.h |
| 85 |
EBADEXEC
Executable file format error; operation could not execute.
|
iOS, macOS, tvOS | Kernel | errno.h |