superuser(su) must be updated
I am using Samsung gt n7000 omni 4.4.2 nightly KitKat 4.4
When I start using KitKat 4.4 but every time it ask me superuser(su) must be updated.. When I try to update it will not
Update. I am new to this things thats why I don't know how I will update superuser(su). Can anybody tell me how can I update superuser.