Internal Error: Sub-system: AMERGE,

Hi ,

while I compiling my code in altera,quatus version 8.1, this new error comes and i couldn't compile it. does anyone knows about this error? I really need to compile my code.

tnx,

Internal Error: Sub-system: AMERGE, File: /quartus/atm/amerge/amerge_kpt_op.cpp, Line: 220

cmp_merge_kpt_db

Stack Trace:

End-trace

Quartus II Version 8.1 Build 163 10/28/2008 SJ Web Edition