1st trail only one user called "Islam" was in deparment .
I tried it again ... didn't logged me out
I added another user called "user" in 3rd trail to department ... The problem solved and users of newdeparment was added and now duplicated names found as in https://github.com/engGhada12/zi/issues/14
Steps -login as admin
Actual result Hanging !!!
then I refresh >>> logged me out