First i fetched all the mails from a mail id, that mail id is set for recruitment purpose. When i tried to delete a mail it shows below error

Uncaught TypeError: Cannot read property 'id' of undefined

http://ip:8069/web/webclient/js?mods=hr,web_process,web_calendar,base,web_tests,web_dashboard,hr_payroll,web_diagram,web_mobile,web_graph,web_kanban,hr_recruitment,hr_holidays,web_gantt,mail,crm:11614

How can i solve this?