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
-66990
errSecCSRemoteSignerFailed
Remote code signing service or process encountered an error.
macOS Security CSCommon.h
-67050
errSecCSReqFailed
Code requirement check failed against the signed code.
macOS Security CSCommon.h
-67052
errSecCSReqInvalid
Code requirement string is invalid.
macOS Security CSCommon.h
-67051
errSecCSReqUnsupported
Specified code requirement uses features not supported in the current environment.
macOS Security CSCommon.h
-67023
errSecCSResourceDirectoryFailed
Checking the resource directory during signature validation failed.
macOS Security CSCommon.h
-67016
errSecCSResourceNotSupported
Resource type in the bundle is not supported.
macOS Security CSCommon.h
-67053
errSecCSResourceRulesInvalid
Invalid or improperly formatted resource rules in the code signature.
macOS Security CSCommon.h
-67055
errSecCSResourcesInvalid
One or more resources in a code-signed bundle are invalid.
macOS Security CSCommon.h
-67056
errSecCSResourcesNotFound
Resources for code signing verification are missing.
macOS Security CSCommon.h
-67057
errSecCSResourcesNotSealed
Resources in the code bundle are not sealed by the signature.
macOS Security CSCommon.h
-66992
errSecCSRevokedNotarization
Code’s notarization has been revoked.
macOS Security CSCommon.h
-67032
errSecCSSigDBAccess
An attempt to access the signature database was unsuccessful.
macOS Security CSCommon.h
-67033
errSecCSSigDBDenied
Access to the signature database was specifically denied.
macOS Security CSCommon.h
-67061
errSecCSSignatureFailed
Code signature verification failed.
macOS Security CSCommon.h
-67045
errSecCSSignatureInvalid
Code signature is invalid.
macOS Security CSCommon.h
-67060
errSecCSSignatureNotVerifiable
Code signature could not be verified with the available trust settings.
macOS Security CSCommon.h
-67059
errSecCSSignatureUnsupported
Code signature uses an unsupported.
macOS Security CSCommon.h
-66996
errSecCSSignatureUntrusted
Code signature is untrusted under the current security policy.
macOS Security CSCommon.h
-67034
errSecCSStaticCodeChanged
Static code has changed since it was originally signed.
macOS Security CSCommon.h
-67068
errSecCSStaticCodeNotFound
Static code could not be found for code signing
macOS Security CSCommon.h
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