When "Generating Programming File" for an Automative CoolRunner-II (XA2C) in ISE 8.1i, a fatal error occurs in Hprep6:
"FATAL_ERROR:Cpld:Portability/export/Port_Main.h:127:1.20 - This application has discovered an exceptional condition from which it cannot recover. Process will terminate. To resolve this error, please consult the Answers Database and other online resources at http://support.xilinx.com.If you need further assistance, please open a Webcase by clicking on the WebCase" link at http://support.xilinx.com"
This problem has been fixed in the latest 8.1i Service Pack available at:
The first service pack containing the fix is 8.1i Service Pack 2.