Invalid column widths (more widths than columns) error after editing JBoss ON dashboard

Solution Verified - Updated -

Issue

  • Can not display dashboard anymore due to Globally uncaught exception
  • Error java.lang.IllegalArgumentException:Invalid column widths (more widths than columns) [58%, *] prevents dashboard from presenting anything

Environment

  • Red Hat JBoss Operations Network (ON) 3.1.2, 3.2, 3.3
  • Viewing global dashboard

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