No data is being displayed on the Enterprise View (Modernization Workbench - APM) dashboard.  How can this be repaired?

There are 2 possible actions to recover the misisng display.

1.  Make sure the Update Trending Snapshot has been run on a successfully verified workspace.

To do this:
    - Open the Modernization Workbench tool.
    - Open the workspace.
    - From the PREPARE menu, choose UPDATE TRENDING SNAPSHOT.
    - Close and re-open the Enterprise View dashboard.

2. Clear the Internet Explorer cache information.
    - This forces a new version of the web page to be loaded and the details refreshed.