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 |
|---|---|---|---|---|
| -9828 |
errSSLPeerCertExpired
Peer’s certificate is expired.
|
iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |
| -9827 |
errSSLPeerCertRevoked
Peer’s certificate has been revoked.
|
iOS, macOS, tvOS, watchOS | Security | SecureTransport.h |
| -9827 |
errSSLPeerCertRevoked
Peer’s certificate has been revoked.
|
iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |
| -9829 |
errSSLPeerCertUnknown
Peer’s certificate is unknown or not recognized.
|
iOS, macOS, tvOS, watchOS | Security | SecureTransport.h |
| -9829 |
errSSLPeerCertUnknown
Peer’s certificate is unknown or not recognized.
|
iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |
| -9833 |
errSSLPeerDecodeError
Peer could not decode the SSL message.
|
iOS, macOS, tvOS, watchOS | Security | SecureTransport.h |
| -9833 |
errSSLPeerDecodeError
Peer could not decode the SSL message.
|
iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |
| -9823 |
errSSLPeerDecompressFail
Peer could not decompress data under SSL.
|
iOS, macOS, tvOS, watchOS | Security | SecureTransport.h |
| -9823 |
errSSLPeerDecompressFail
Peer could not decompress data under SSL.
|
iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |
| -9834 |
errSSLPeerDecryptError
Peer encountered a decryption error.
|
iOS, macOS, tvOS, watchOS | Security | SecureTransport.h |
| -9834 |
errSSLPeerDecryptError
Peer encountered a decryption error.
|
iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |
| -9821 |
errSSLPeerDecryptionFail
Peer could not decrypt the message.
|
iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |
| -9821 |
errSSLPeerDecryptionFail
Peer could not decrypt the message.
|
iOS, macOS, tvOS, watchOS | Security | SecureTransport.h |
| -9835 |
errSSLPeerExportRestriction
Peer is restricted by export or import controls.
|
iOS, macOS, tvOS, watchOS | Security | SecureTransport.h |
| -9835 |
errSSLPeerExportRestriction
Peer is restricted by export or import controls.
|
iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |
| -9824 |
errSSLPeerHandshakeFail
Peer handshake failed or was aborted.
|
iOS, macOS, tvOS, watchOS | Security | SecureTransport.h |
| -9824 |
errSSLPeerHandshakeFail
Peer handshake failed or was aborted.
|
iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |
| -9837 |
errSSLPeerInsufficientSecurity
Peer’s security level is insufficient.
|
iOS, macOS, tvOS, watchOS | Security | SecureTransport.h |
| -9837 |
errSSLPeerInsufficientSecurity
Peer’s security level is insufficient.
|
iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |
| -9838 |
errSSLPeerInternalError
Peer encountered an internal error during SSL.
|
iOS, macOS, tvOS, watchOS | Security | SecureTransport.h |