SNA Server Access Violation in Function S1psineg

SYMPTOMS

   Event ID: 624
   Source:  SNA Server
   Description: Creating dump file
   <snaroot>\traces\snadump.log for
   snaservr.exe.

Application exception occurred:
           App: exe\snaservr.dbg (<process id>)
           Exception number: c0000005 (access violation)

   [...]

   State Dump for Thread Id 0x8c

   eax=00000000 ebx=00000000 ecx=000008d3 edx=00000000 esi=01154b04
   edi=000008d3 eip=0101f253 esp=00cdff0c
   ebp=01144d48 iopl=0 nv up ei pl zr na po nc
   cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000 efl=00000246

   function: s1psineg
   0101f22d 66c740160000   mov   word ptr [eax+0x16],0x0
   ds:0140ea07=????
   0101f233 c6400926       mov   byte ptr [eax+0x9],0x26
   ds:0140ea06=??
   0101f237 c6401220       mov   byte ptr [eax+0x12],0x20
   ds:0140ea06=??
   0101f23b 8b06           mov   eax,[esi]
   ds:01154b04=0164ba44
   0101f23d 50             push  eax
   0101f23e e8adb2feff     call  snpuputi (0100a4f0)
   0101f243 33c0           xor   eax,eax
   0101f245 8b7c2410       mov   edi,[esp+0x10]
   ss:020ee913=????????
   0101f249 0fbfcf         movsx   ecx,di
   0101f24c 8b148ddc431101      ds:000008d3=????????  mov
   edx,[s1lnkfh+0x14 (011143dc)+ecx*4]
   FAULT ->0101f253 6639421a cmp   edx+0x1a],ax
   ds:0140ea07=????

   *----> Stack Back Trace <----*

   FramePtr ReturnAd Param#1  Param#2  Param#3  Param#4  Function
Name
   01144d48 000f0011 02030000 01154960 000b0011 02030000
snaservr!s1psineg
   (FPO: [2,1,2])