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
-9809
errSSLCrypto
A cryptographic error occurred during SSL.
iOS, macOS, tvOS, watchOS Security SecureTransport.h
-9809
errSSLCrypto
A cryptographic error occurred during SSL.
iOS, macOS, tvOS, visionOS, watchOS Security SecBase.h
-9859
errSSLDecodeError
Failed to decode SSL data.
iOS, macOS, tvOS, watchOS Security SecureTransport.h
-9859
errSSLDecodeError
Failed to decode SSL data.
iOS, macOS, tvOS, visionOS, watchOS Security SecBase.h
-9857
errSSLDecompressFail
Decompression of SSL data failed.
iOS, macOS, tvOS, watchOS Security SecureTransport.h
-9857
errSSLDecompressFail
Decompression of SSL data failed.
iOS, macOS, tvOS, visionOS, watchOS Security SecBase.h
-9845
errSSLDecryptionFail
Failed to decrypt SSL data.
iOS, macOS, tvOS, watchOS Security SecureTransport.h
-9845
errSSLDecryptionFail
Failed to decrypt SSL data.
iOS, macOS, tvOS, visionOS, watchOS Security SecBase.h
-9890
errSSLEarlyDataRejected
Early SSL data was rejected by the server.
iOS, macOS, tvOS, visionOS, watchOS Security SecBase.h
-9802
errSSLFatalAlert
A fatal SSL alert was received.
iOS, macOS, tvOS, watchOS Security SecureTransport.h
-9802
errSSLFatalAlert
A fatal SSL alert was received.
iOS, macOS, tvOS, visionOS, watchOS Security SecBase.h
-9858
errSSLHandshakeFail
SSL handshake failed or was aborted.
iOS, macOS, tvOS, watchOS Security SecureTransport.h
-9858
errSSLHandshakeFail
SSL handshake failed or was aborted.
iOS, macOS, tvOS, visionOS, watchOS Security SecBase.h
-9843
errSSLHostNameMismatch
Certificate hostname does not match the server name.
iOS, macOS, tvOS, watchOS Security SecureTransport.h
-9843
errSSLHostNameMismatch
Certificate hostname does not match the server name.
iOS, macOS, tvOS, visionOS, watchOS Security SecBase.h
-9830
errSSLIllegalParam
An illegal or unsupported parameter was used in SSL handshake.
iOS, macOS, tvOS, watchOS Security SecureTransport.h
-9830
errSSLIllegalParam
An illegal or unsupported parameter was used in SSL handshake.
iOS, macOS, tvOS, visionOS, watchOS Security SecBase.h
-9860
errSSLInappropriateFallback
Fallback to an unsupported or weaker cipher suite.
iOS, macOS, tvOS, watchOS Security SecureTransport.h
-9860
errSSLInappropriateFallback
Fallback to an unsupported or weaker cipher suite.
iOS, macOS, tvOS, visionOS, watchOS Security SecBase.h
-9810
errSSLInternal
Internal SSL error occurred.
iOS, macOS, tvOS, watchOS Security SecureTransport.h
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