Unable to create a new account from WHM

[adarshk]

Receiving below error while creating an account from WHM.
"A fatal error occurred while processing this directive"
Screenshot - http://pasteboard.co/aHU7zkisN.png

Caused
-----------
# lsattr /etc/mailips /etc/mailhelo
  ----i--A-----e- /etc/mailips
 -------A-----e- /etc/mailhelo

Resolution
---------------
Remove the attribute

# chattr -ia /etc/mailips
lsattr /etc/mailips /etc/mailhelo
-------A-----e- /etc/mailips
-------A-----e- /etc/mailhelo

Now I'm able to create a new account in WHM.