getting ACAD "INTERNAL ERROR : !XP.CPP@386"

Hi all,

I am getting ACAD "INTERNAL ERROR : [EMAIL PROTECTED]" While doing following
operations.
I am using Acad map3 and WinNT
Operating System and Dwgs contains X-Data.


Following Operations are done using Autolisp

        Insert dwgs
        Exploding inserted Dwgs


While exploding Inserted Dwg, an ACAD "INTERNAL ERROR : [EMAIL PROTECTED]"
is getting. I tried to fix up and
couldn't fix it up. 

Can anybody help me  to fix up this error.

Thanks in advance,
HarishKumarS