Created attachment 913276 [details] [test run] Click 'run-write a new run' link at plan detail page to enter create new run page, system go to 500 error page. Description of problem: as summary. Version-Release number of selected component (if applicable): v3.8.9-1 on test server. How reproducible: 100% Steps to Reproduce: 1.Enter a test plan detail page, then enter cases tab. https://tcms-test.app.eng.nay.redhat.com/plan/13571/test-plan-qiyang-123#testcases 2.Click 'run - write a new run' link. Actual results: System go to 500 error page. Expected results: System display create test run page. Additional info:
verify this bug on v3.8.9-1 on test server.---Pass verify steps are same as description.