Synplicity synthesis error

Hi,

I am using Synplify version 8.5B .While synthesizing my vhdl code for Actel Axcelerator fpga family,I encountered an error message like:



Error Code <acmap.c:2178 primitive not handled yet>
@E:Internal Error in m_actel.exe
Stack trace
===========
00410e27 00410e27 005e2f66 00411b84 00410cb0 0040ffd0 00571658 00571694
00411990 00571694 00411990 00571557 00411990 00571740 00411990 0040eb10
00415490 00411990 0040eb10 0040ed00 0040e970 0040e9d0 0040e930 0040e258


What does this message mean?

etoktas