SNASERVR.EXE access violation in function s1plgrsp

SYMPTOMS

   Application exception occurred:
      App: snaservr.DBG (<process ID> )
      When: <date> @ <time>
      Exception number: c0000005 (access violation)

   [ data omitted ]

   State Dump for Thread Id 0xa8

   eax=00cc806c ebx=00ce3b3c ecx=00040004 edx=012623e8 esi=00000000
   edi=002bff40
   eip=003c93d5 esp=002bff0c ebp=00106be8 iopl=0         nv up ei pl nz na
   po nc
   cs=001b  ss=0023  ds=0023  es=0023  fs=0038  gs=0000
   efl=00000206

   function: s1plgrsp
   [ data omitted ]
      003c93cb c6401600         mov     byte ptr [eax+0x16],0x0
      003c93cf 8b07             mov     eax,[edi]
      003c93d1 c6401701         mov     byte ptr [eax+0x17],0x1
   FAULT ->003c93d5 0fbf4604         movsx   eax,word ptr [esi+0x4]
      003c93d9 03c6             add     eax,esi

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

   FramePtr ReturnAd Param#1  Param#2  Param#3  Param#4  Function Name
   00106be8 03830000 01030aea 00000000 01d70000 00050012 snaservr!s1plgrsp