Internal Error: Sub-system: NLWQ, File: /quartus/gcl/nlwq/nlwq_view.cpp, Line: 161

Description

Due to a problem in the Quartus® II software version 13.1 and earlier, you may see this internal error when you locate the state machine nodes from TimeQuest Timing Analyzer using Locate in Design File or Locate in Technology Map Viewer menu.

Resolution

To work around this problem, locate the node manually in the design file or Technology Map Viewer.

This problem is fixed beginning with the Quartus II software version 14.0.