Created attachment 932578 [details] [test case] There is js error when change format of case's Setup in edit test case page Description of problem: as summary. Version-Release number of selected component (if applicable): v3.8.10-2 on qa server. How reproducible: 100% on chrome Version 31.0.1650.63 Steps to Reproduce: 1.Enter a case edit page. https://tcms.app.qa.eng.nay.redhat.com/case/359543/edit/?from_plan=13569 2.Change the format of case's Setup. Actual results: There is a js error in console and user can not change the format. Uncaught HierarchyRequestError: A Node was inserted somewhere it doesn't belong. Expected results: There is no error and user can change setup's format. Additional info: