Clicking rightmost column's header in DMN decision table raises an error ------------------------------------------------------------------------ Key: DROOLS-5384 URL: https://issues.redhat.com/browse/DROOLS-5384 Project: Drools Issue Type: Bug Components: DMN Editor Affects Versions: 7.38.0.Final Reporter: Toshiya Kobayashi Assignee: Daniel José dos Santos Priority: Major Labels: drools-tools Fix For: 7.39.0.Final Attachments: dmn-decision-table-error-popup-7.38.0.png, drools5384.mp4 When I import Traffic_Violation sample, opened a "Fine" decision table. The rightmost column's header is empty ("Enter Text") and I get an error pop-up when clicked. (At the first time, it raises an error popup. After that, the header is unresponsive) See screenshot. Chrome 80.0.3987.122 Firefox 60.6.2 h3. Acceptance criteria - DMN grids are not affected - GDST grid is unaffected - Scesim grid is unaffected