Created attachment 892491 [details] [test run]When add case to run in following case, system will go to error page. Description of problem: as subject. Version-Release number of selected component (if applicable): v3.8.7-4 on qa server How reproducible: for some runs. Steps to Reproduce: 1.Enter a run detail page. https://tcms.app.qa.eng.nay.redhat.com/run/82109/ 2.Click 'cases-add' link to enter assigncase page. 3.Choose all cases, then click update btn. Actual results: System go to error page. Expected results: System add all cases to this run. Additional info:
verify this bug on prod on v3.8.10-2--->Pass verify steps are same as description.