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AR# 36805

RTL/Technology Viewer - Unable to view top level of the schematic


After launching the RTL Viewer from the GUI and then selecting to view the top level, the schematic never appears. Attempting to use the explorer option and to pop up to the top level fails as well.


This issue occurs when the intermediate files somehow get out-of-sync with what Project Navigator is expecting.

To resolve this issue,clean up the project files (Project -> Cleanup Project Files). After cleaning the files, the schematic can be viewed without any issues.

AR# 36805
Date Created 10/11/2010
Last Updated 12/15/2012
Status Active
Type General Article
  • ISE Design Suite - 12.1