Created attachment 847504 [details] When admin search product version in version list page, system go to error page Description of problem: As subject. Version-Release number of selected component (if applicable): v3.8.6-1 on qa server. How reproducible: 100% Steps to Reproduce: 1.Admin login TCMS, then click 'PLANNING-->New-Plan'. 2.Click add product version btn in the new plan page. 3.Add a product version, click save btn, then system go to product version list page. https://tcms.app.qa.eng.nay.redhat.com/admin/management/version/ 4.Input keyword like: qiyang, click search btn. Actual results: System go to error page. Expected results: System list the matched product version. Additional info: The above issue also happened when search product|classification|build.