Ok Here is the scenario
i created a new user to test permissions settings. tried some permission settings as i was reading documentation. now i wanted to delete that user. when click the delete option it gives me the following message
Cannot delete or cancel because User test@test.com is linked with Communication f0bca0b51c
while editing the user i clear all the roles and module access from that user. i have logedin that user only one time to check the permission works. never commented or created or done any task with that user. i have read the forum and many other users have also problem regarding deleting the user and some of them suggesting to disable the user and let it go. i wonder if there is a way to delete the user because sometimes it is the only option. 