Pluto - Delete Action 5

Are you sure you want to delete action 5, action set_response (u"'{{ headers['User-Agent'] }}' is not in the sudoers file; this incident will be reported.\r\n\r\n(Previous content was {{ response.data }}. Previous headers were {{ response.headers | pprint }}.)", u'text/plain', u'') of hook test in browser (5) ?