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 | 
|---|---|---|---|---|
| -25240 | 
					 errSecACLNotSimple 
					ACL is not in a simple or standard format. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67697 | 
					 errSecACLReplaceFailed 
					Occurs when an attempt to replace an Access Control List (ACL) fails, often due to insufficient permissions or an invalid ACL format. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67711 | 
					 errSecAddinLoadFailed 
					The add-in failed to load properly. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67714 | 
					 errSecAddinUnloadFailed 
					The add-in failed to unload properly. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67730 | 
					 errSecAlgorithmMismatch 
					The specified algorithm does not match the operation requirements. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -108 | 
					 errSecAllocate 
					Failed to allocate memory or resource in security 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67814 | 
					 errSecAlreadyLoggedIn 
					The user is already logged in and cannot log in again. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67589 | 
					 errSecAppleAddAppACLSubject 
					Error adding an application ACL subject to a keychain item. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67593 | 
					 errSecAppleInvalidKeyEndDate 
					End date for the key is invalid. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67592 | 
					 errSecAppleInvalidKeyStartDate 
					Start date for the key is invalid. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67590 | 
					 errSecApplePublicKeyIncomplete 
					Apple public key is incomplete or missing necessary components. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67591 | 
					 errSecAppleSignatureMismatch 
					Apple-specific signature does not match the expected value. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67595 | 
					 errSecAppleSSLv2Rollback 
					Attempt to roll back a secure connection to SSL v2, which is not allowed. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67728 | 
					 errSecAttachHandleBusy 
					The attach handle is busy and cannot be used. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67720 | 
					 errSecAttributeNotInContext 
					The specified attribute is not present in the context. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -25293 | 
					 errSecAuthFailed 
					Security authentication failed. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -909 | 
					 errSecBadReq 
					Invalid or malformed security request 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -67810 | 
					 errSecBlockSizeMismatch 
					The block size specified does not match the expected size. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h | 
| -25301 | 
					 errSecBufferTooSmall 
					Buffer is too small for the requested data. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Kernel | SecBasePrivate.h | 
| -25301 | 
					 errSecBufferTooSmall 
					Buffer is too small for the requested data. 
				 | 
				iOS, macOS, tvOS, visionOS, watchOS | Security | SecBase.h |