YER (Yellow Error Reference) is the most complete application to retrieve Mac's error codes.
You should simply type the error number and then YER shows you the related error name and explanation just as stated by Universal Headers. When there are more than one error using the same number, YER shows you all existing definition. YER knows error codes defined in the following Headers:
AppleGuide.h, ATA.h, CardServices.h, CFURLAccess.h, CMApplication.h, Connections.h, CryptoMessageSyntax.h, CTBUtilities.h, FileSigning.h, FileTransfers.h, Finder.h, FinderRegistry.h, FSM.h, GoggleSprocketDevices.h, GXErrors.h, GXMessages.h, JManager.h, MacErrors.h, MacTCP.h, NetworkSetup.h, OCEErrors.h, OCEMail.h, PMApplication.h, QD3DErrors.h, RAVE.h, RTLib.h, SCSI.h, SpeechRecognition.h, Terminals.h.
This software's licence is Shareware - Trial Version, which means that the Software is provided at no charge to the user for an evaluation period. If you would like to continue using the Software after the evaluation period, you must purchase a license (register). A single user license allows the licensee to use the Software on any one computer at any one time. Site and worldwide license arrangements may be made by contacting the author / developer.
If you wish to register and receive the full version of this Shareware - Trial Version program, it will cost you US$ 15.00