DS Error Table
1     dsBusError      bus error
2     dsAddressErr    address error
3     dsIllInstErr    illegal instruction error
4     dsZeroDivErr    zero divide error
5     dsChkErr        check trap error
6     dsOvflowErr     overflow trap error
7     dsPrivErr       privilege violation error
8     dsTraceErr      trace mode error
9     dsLineAErr      line 1010 trap error
10    dsLineFErr      line 1111 trap error
11    dsMiscErr       miscellaneous hardware exception error
12    dsCoreErr       unimplemented core routine error
13    dsIrqErr        uninstalled interrupt error
14    dsIOCoreErr     IO Core Error
15    dsLoadErr       Segment Loader Error
16    dsFPErr         Floating point error
17    dsNoPackErr     package 0 not present [List Manager]
18    dsNoPk1         package 1 not present [Reserved by Apple]
19    dsNoPk2         package 2 not present [Disk Initialization]
20    dsNoPk3         package 3 not present [Standard File]
21    dsNoPk4         package 4 not present [Floating-Point Arithmetic]
22    dsNoPk5         package 5 not present [Transcendental Functions]
23    dsNoPk6         package 6 not present [International Utilities]
24    dsNoPk7         package 7 not present [Binary/Decimal Conversion]
25    dsMemFullErr    out of memory!
26    dsBadLaunch     can't launch file
27    dsFSErr         file system map has been trashed
28    dsStknHeap      stack has moved into application heap
30    dsReinsert      request user to reinsert off-line volume
31    dsNotThe1       not the disk I wanted (obsolete)
33    negZcbFreeErr   ZcbFree has gone negative
40    dsGreeting      welcome to Macintosh greeting
41    dsFinderErr     can't load the Finder error
42    shutDownAlert   handled like a shutdown error (obsolete)
43    dsSystemFileErr can’t find System file to open (obsolete)
51    dsBadSlotInt    unserviceable slot interrupt
81    dsBadSANEopcode bad opcode given to SANE Pack4
84    menuPrgErr      happens when a menu is purged
85    dsMBarNFnd      SysErr -- cannot find MBDF
86    dsHMenuFindErr  SysErr -- recursively defined HMenus
87    dsWDEFnFnd      Could not load WDEF
88    dsCDEFnFnd      Could not load CDEF
89    dsMDEFnFnd      Could not load MDEF
98    dsNoPatch       Can't patch for particular Model Mac
99    dsBadPatch      Can't load patch resource
101   dsParityErr     memory parity error
102   dsOldSystem     System is too old for this ROM
103   ds32BitMode     booting in 32-bit on a 24-bit sys
20000 dsShutDownOrRestart   user choice between ShutDown and Restart
20001 dsSwitchOffOrRestart  user choice between switching off and Restart
20002 dsForcedQuit    allow the user to ExitToShell, return if Cancel
32767 dsSysErr        general system error (catch-all used in DSAT)