AR# 10298


3.3i FPGA Editor - Editing an IOB block leads to "FATAL_ERROR:Ncd:bascmtform.c:161:1.4 - Unable to find button PCI33_5..."


Keywords: FPGA Editor, IOB, I/O, block, edit, Virtex, Virtex-E

Urgency: Standard

General Description:
When modifying an IOB in FPGA Editor for a Virtex-E design, attempting to save
the design causes FPGA Editor to crash. Sometimes FPGA Editor crashes with no
message; other times, the following error message is encountered:

FATAL_ERROR:Ncd:bascmtform.c:161:1.4 - Unable to find button PCI33_5
on primitive IOATTRBOX in cell IOB.
Process will terminate. To resolve this error, please consult the Answers
Database and other online resources at


This problem is fixed in the latest 3.1i Service Pack available at: The first
service pack containing the fix is 3.1i Service Pack 7.
AR# 10298
Date 08/15/2002
Status Archive
Type General Article
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