Device Manager Slot Support Errors
-360  slotNumErr      invalid slot # error
-400  gcrOnMFMErr     gcr format on high density media error

Edition Manager Errors
-450  editionMgrInitErr        Manager not initialized or could not
                               load package
-451  badSectionErr            Not a valid section type
-452  notRegisteredSectionErr  Not registered
-454  badSubPartErr            Bad edition container spec or invalid
                               edition container
-460  multiplePublisherWrn     Already is a publisher
-461  containerNotFoundWrn     Alias was not resolved
-463  notThePublisherWrn       Not the publisher

SCSI Manager Errors
-470  scsiBadPBErr    invalid field(s) in the parameter block
-471  scsiOverrunErr  attempted to transfer too many bytes
-472  scsiTransferErr write flag conflicts with data transfer phase
-473  scsiBusTOErr    bus error during transfer
-474  scsiSelectTOErr scsiSelTO exceeded (selection failed)
-475  scsiTimeOutErr  scsiReqTO exceeded
-476  scsiBusResetErr the bus was reset, so your request was aborted
-477  scsiBadStatus   non-zero (not "Good") status returned
-478  scsiNoStatusErr device did not go through a status phase
-479  scsiLinkFailErr linked command never executed
-489  scsiUnimpVctErr unimplemented routine was called

SysErrs used instead of inline $A9FF & $ABFF
-490  userBreak       user debugger break
-491  strUserBreak    user debugger break - display string on stack
-492  exUserBreak     user debugger break - execute commands on stack

QuickDraw Error
-500  rgnTooBigErr    Bitmap would convert into a region greater than 64 KB

Text Edit Error
-501  teScrapSizeErr  scrap item too big for text edit record

O/S Error
-502  hwParamrErr     bad selector for _HWPriv

Processes Errors
-600  procNotFound      No eligible process with specified process
                        serial number
-601  memFragErr        Not enough room to launch application
                        w ith special requirements
-602  appModeErr        Memory mode is 32-bit, but application is
                        not 32-bit clean
-603  protocolErr       app made module calls in improper order
-604  hardwareConfigErr hardware configuration not correct for call
-605  appMemFullErr     Partition size specified in 'SIZE' resource is
                        not big enough for launch
-606  appIsDaemon       Application is background-only
-607  bufferIsSmall     Buffer is too small
-608  noOutstandingHLE  No outstanding high-level event
-609  connectionInvalid           Connection is invalid
-610  noUserInteractionAllowed    Attempted PostHighLevelEvent from
                          background and no session yet established

Memory Dispatch Errors
-620  notEnoughMemoryErr      Insufficient physical memory
-621  notHeldErr              Specified range of memory is not held
-622  cannotMakeContiguousErr Cannot make specified range contiguous
-623  notLockedErr            Specified range of memory is not locked
-624  interruptsMaskedErr     Called with interrupts masked
-625  cannotDeferErr          Unable to defer additional user functions

DatabaseAccess (Pack 13) Errors
-800  rcDBNull          The data item was NULL
-801  rcDBValue         Data available or successfully retrieved
-802  rcDBError         Error executing function
-803  rcDBBadType       Next data item not of requested data type
-804  rcDBBreak         Function timed out
-805  rcDBExec          Query currently executing
-806  reDBBadSessID     Session ID is invalid
-807  rcDBBadSessNum    Invalid session number
-808  rcDBBadDDEV       Couldn’t find the specified database extension,
                        or error occurred in opening database extension
-809  rcDBAsyncNotSupp  The database extension does not support
                        asynchronous calls
-810  rcDBBadAsyncPB    Invalid parameter block specified
-811  rcDBNoHandler     There is no handler for this data type
                        installed for the current application
-812  rcDBWrongVersion  Wrong version number
-813  rcDBPackNotInited The InitDBPack function has not yet been called

Help Manager Errors
-850  hmHelpDisabled         Help balloons are not enabled
-851  hmResNotFound          ????
-852  hmMemFullErr           ????
-853  hmBalloonAborted       Because of constant cursor movement,
                             the help balloon wasn’t displayed
-854  hmSameAsLastBalloon    Menu and item are same as previous menu and item
-855  hmHelpManagerNotInited Help menu not set up
-856  hmBadSelector          ????
-857  hmSkippedBalloon       No ballon content to fill in
-858  hmWrongVersion         Wrong version of Help Manager resource
-859  hmUnknownHelpType      Help message record contained a bad type
-860  hmCouldNotLoadPackage  ????
-861  hmOperationUnsupported Bad method parameter
-862  hmNoBalloonUp          No balloon showing
-863  hmCloseViewActive  User using Close View won’t let you remove balloon

AppleTalk — PPC Toolbox Errors
-900  notInitErr       PPC Toolbox has not been initialized yet
-902  nameTypeErr      Invalid or inappropriate locationKindSelector
                       in location name
-903  noPortErr        Invalid port name; Unable to open port or bad
                       port reference number
-904  noGlobalsErr     System unable to allocate memory, critical error
-905  localOnlyErr     Network activity is currently disabled
-906  destPortErr      Port does not exist at destination
-907  sessTableErr     PPC Toolbox is unable to create a session
-908  noSessionErr     Invalid session reference number
-909  badReqErr        Bad parameter or invalid state for this operation
-910  portNameExistsErr  Another port is already open with this name
-911  noUserNameErr    User name unknown on destination machine
-912  userRejectErr    Destination rejected the session request
-915  noResponseErr    Unable to contact application
-916  portClosedErr    The port was closed
-917  sessClosedErr    The session has closed
-919  badPortNameErr   PPC port record is invalid
-922  noDefaultUserErr User has not specified owner name in Sharing Setup
                       control panel
-923  notLoggedInErr   Default user reference number does not yet exist
-924  noUserRefErr     Unable to create a new user reference number
-925  networkErr       An error has occurred in the network
-926  noInformErr      PPCStart failed because target application did not
                       have an inform pending
-927  authFailErr      User’s password is wrong
-928  noUserRecErr         Invalid user reference number
-930  badServiceMethodErr  Service method is other than
                           ppcServiceRealTime
-931  badLocNameErr        Location name is invalid
-932  guestNotAllowedErr   Destination port requires authentication

AppleTalk - NBP Errors
-1024 nbpBuffOvr      Buffer overflow in LookupName
-1025 nbpNoConfirm    Name not confirmed on ConfirmName
-1026 nbpConfDiff     Name confirmed at different socket
-1027 nbpDuplicate    Duplicate name exists already
-1028 nbpNotFound     Name not found on remove
-1029 nbpNISErr       Error trying to open the NIS

ASP Errors (XPP driver)
-1066 aspBadVersNum   Server cannot support this ASP version
-1067 aspBufTooSmall  Buffer too small
-1068 aspNoMoreSess   No more sessions on server
-1069 aspNoServers    No servers at that address
-1070 aspParamErr     Parameter error
-1071 aspServerBusy   Server cannot open another session
-1072 aspSessClosed   Session closed
-1073 aspSizeErr      Command block too big
-1074 aspTooMany      Too many clients (server error)
-1075 aspNoAck        No ack on attention request (server err)

AppleTalk -  ATP Errors
-1096 reqFailed  Request to contact router failed: retry count exceeded
-1097 tooManyReqs     Too many concurrent requests
-1098 tooManySkts     Too many concurrent responding-sockets
-1099 badATPSkt       Bad ATP-responding socket
-1100 badBuffNum      Bad response buffer number specififed
-1101 noRelErr        No release received
-1102 cbNotFound      Control Block not found; no pending
                      asynchronous calls
-1103 noSendResp      AddResponse issued without SendResponse
-1104 noDataArea      No data area for request to MPP
-1105 reqAborted      ERdCancel function called for this ERead
                      [SendRequest aborted by RelTCB]
Data Stream Protocol - DSP driver Errors
-1273 errOpenDenied   Open request denied by recipient
-1274 errDSPQueueSize Send or receive queue is too small
-1275 errFwdReset     Read terminated by forward reset
-1276 errAttention    Attention message too long
-1277 errOpening      Attempt to open connection failed
-1278 errState        Bad connection state for this operation
-1279 errAborted      Request aborted by dspRemove or dspClose function
-1280 errRefNum       Bad connection reference number

HFS Errors
-1300 fidNotFound     File ID not found [No file thread exists]
-1301 fidExists       File id already exists
-1302 notAFileErr     Specified file is a directory
-1303 diffVolErr      Files on different volumes
-1304 catChangedErr   Catalog has changed and CatPosition may be invalid
-1305 desktopDamagedErr  The desktop database has become corrupted —
                      the Finder will fix this, but if your application is
                      not running with the Finder, use DTReset or DTDelete

AppleEvent Errors
-1700  errAECoercionFail     Data could not be coerced to the
                             requested descriptor type
-1701  errAEDescNotFound     Descriptor record was not found
-1702  errAECorruptData      Data in an Apple event could not be read
-1703  errAEWrongDataType    Wrong descriptor type
-1704  errAENotAEDesc        Not a valid descriptor record
-1705  errAEBadListItem      Operation involving a list item failed
-1706  errAENewerVersion     Need a newer version of the Apple Event Manager
-1707  errAENotAppleEvent    Event is not an Apple event
-1708  errAEEventNotHandled  Event wasn’t handled by an Apple event handler
-1709  errAEReplyNotValid    AEResetTimer was passed an invalid reply
-1710  errAEUnknownSendMode  Invalid sending mode was passed
-1711  errAEWaitCanceled     User canceled out of wait loop for reply
                             or reciept
-1712  errAETimeout          Apple event timed out
-1713  errAENoUserInteraction    No user interaction allowed
-1714  errAENotASpecialFunction  Wrong keyword for a special function
-1715  errAEParamMissed      Handler did not get all required paramters
-1716  errAEUnknownAddressType   Unknown Apple event address type
-1717  errAEHandlerNotFound  No handler found for an Apple event
                             or a coersion
-1718  errAEReplyNotArrived  Reply has not yet arrived
-1719  errAEIllegalIndex     Not a valid list index

AppleTalk -  ATP Errors
-3101 buf2SmallErr    Packet too large for buffer; partial data returned
-3102 noMPPErr        No MPP error
-3103 ckSumErr        Check sum error
-3104 extractErr      Extraction error
-3105 readQErr        Read queue error
-3106 atpLenErr       ATP length error
-3107 atpBadRsp       ATP bad response error
-3108 recNotFnd       Record not found
-3109 sktClosedErr    Socket closed error

Print Manager w/LaserWriter
-4096 ???             No free Connect Control Blocks available
-4097 ???             Bad connection reference number
-4098 ???             Request already active
-4099 ???             Write request too big
-4100 ???             Connection just closed
-4101 ???             Printer not found, or closed

File Manager Extensions Errors
-5000 accessDenied    Incorrect access for this file/folder
-5006 DenyConflict    Permission/Deny mode conflicts with the current
                      mode in which this fork is already open
-5015 NoMoreLocks     Byte range locking failure from Server
-5020 RangeNotLocked  Attempt to unlock an already unlocked range
-5021 RangeOverlap    Attempt to lock some of an already locked range

AFP Errors (XPP driver)
-5000 afpAccessDenied     AFP Access denied
-5001 afpAuthContinue     AFP Authorization continue
-5002 afpBadUAM           AFP Bad UAM
-5003 afpBadVersNum       AFP Bad version number
-5004 afpBitmapErr        AFP Bit map error
-5005 afpCantMove         AFP Can't move error
-5006 afpDenyConflict     AFP Deny conflict
-5007 afpDirNotEmpty      AFP Dir not empty
-5008 afpDiskFull         AFP Disk full
-5009 afpEofError         AFP End-of-File error
-5010 afpFileBusy         AFP File busy
-5011 afpFlatVo           AFP Flat volume
-5012 afpItemNotFound     AFP Information not found
-5013 afpLockErr          AFP Lock error
-5014 afpMiscErr          AFP Misc error
-5015 afpNoMoreLocks      AFP No more locks
-5016 afpNoServer         AFP No server
-5017 afpObjectExists     AFP Object already exists
-5018 afpObjectNotFound   AFP Object not found
-5019 afpParmErr          AFP Parm error
-5020 afpRangeNotLocked   AFP Range not locked
-5021 afpRangeOverlap     AFP Range overlap
-5022 afpSessClosed       AFP Session closed
-5023 afpUserNotAuth      AFP User not authorized
-5024 afpCallNotSupported AFP Call not supported
-5025 afpObjectTypeErr    AFP Object type error
-5026 afpTooManyFilesOpen AFP Too many files open
-5027 afpServerGoingDown  AFP Server going down
-5028 afpCantRename       AFP Can't rename
-5029 afpDirNotFound      AFP Directory not found
-5030 afpIconTypeError    Size of new icon and one it replaces don’t match
-5031 afpVolLocked        Volume is Read-Only
-5032 afpObjectLocked     Object is M/R/D/W inhibited

SysEnvirons Errors
-5500 envNotPresent   SysEnvirons trap not present - returned by glue.
-5501 envBadVers      Version non-positive
-5502 envVersTooBig   Version bigger than call can handle

Gestalt Errors
-5550 gestaltUnknownErr       Could not obtain the response
-5551 gestaltUndefSelectorErr Undefined selector
-5552 gestaltDupSelectorErr   Selector already exists
-5553 gestaltLocationErr      Function not in system heap