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 | 
|---|---|---|---|---|
| -9838 | errSSLPeerInternalError Peer encountered an internal error during SSL. | iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -9840 | errSSLPeerNoRenegotiation Peer does not allow SSL renegotiation. | iOS, macOS, tvOS, watchOS | Security | SecureTransport.h | 
| -9840 | errSSLPeerNoRenegotiation Peer does not allow SSL renegotiation. | iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -9836 | errSSLPeerProtocolVersion Peer’s SSL protocol version is unsupported or not allowed. | iOS, macOS, tvOS, watchOS | Security | SecureTransport.h | 
| -9836 | errSSLPeerProtocolVersion Peer’s SSL protocol version is unsupported or not allowed. | iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -9822 | errSSLPeerRecordOverflow Peer’s record exceeds the allowed size. | iOS, macOS, tvOS, watchOS | Security | SecureTransport.h | 
| -9822 | errSSLPeerRecordOverflow Peer’s record exceeds the allowed size. | iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -9819 | errSSLPeerUnexpectedMsg Peer received an unexpected SSL message. | iOS, macOS, tvOS, watchOS | Security | SecureTransport.h | 
| -9819 | errSSLPeerUnexpectedMsg Peer received an unexpected SSL message. | iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -9831 | errSSLPeerUnknownCA Peer’s certificate authority is unknown or untrusted. | iOS, macOS, tvOS, watchOS | Security | SecureTransport.h | 
| -9831 | errSSLPeerUnknownCA Peer’s certificate authority is unknown or untrusted. | iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -9826 | errSSLPeerUnsupportedCert Peer presented a certificate that is unsupported. | iOS, macOS, tvOS, watchOS | Security | SecureTransport.h | 
| -9826 | errSSLPeerUnsupportedCert Peer presented a certificate that is unsupported. | iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -9839 | errSSLPeerUserCancelled Peer canceled SSL connection. | iOS, macOS, tvOS, watchOS | Security | SecureTransport.h | 
| -9839 | errSSLPeerUserCancelled Peer canceled SSL connection. | iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -9800 | errSSLProtocol Generic error occurred in the SSL protocol. | iOS, macOS, tvOS, watchOS | Security | SecureTransport.h | 
| -9800 | errSSLProtocol Generic error occurred in the SSL protocol. | iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -9847 | errSSLRecordOverflow SSL record size exceeded the maximum allowed limit. | iOS, macOS, tvOS, watchOS | Security | SecureTransport.h | 
| -9847 | errSSLRecordOverflow SSL record size exceeded the maximum allowed limit. | iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -9804 | errSSLSessionNotFound SSL session not recognized or has expired. | iOS, macOS, tvOS, watchOS | Security | SecureTransport.h | 
