Created attachment 923786 [details] [test plan] If clone case with Create a Copy Settings, system will go to 500 error page. Description of problem: as summary. Version-Release number of selected component (if applicable): v3.8.10-1 on devel server. How reproducible: 100% Steps to Reproduce: 1.Enter a plan detail page. https://tcms-devel.app.eng.nay.redhat.com/plan/10136 2.Choose all cases at cases tab, then click 'case-clone' link. 3.In case clone page, 'select plan' choose 'Use the same Plan', 'Clone Settings' checked the 'Create a Copy', then click clone btn. Actual results: system go to 500 error page. Expected results: system clone the checked cases to current plan. Additional info:
verify this issue on 3.8.10-1 on devel server.--->Pass verify steps are same as description.