Black Shark 2
Black Shark Gaming Phone
Someone had this problem already, can't remember the thread but you you look a bit you'll find it!
I'll look for it as well, once found I'll leave the link here
UPDATE: I've found it, here, go check the comments :)
You cloned the app.
Also try this:
I solved this problem with going to System > multiple users login Guest user and from Guest user remove Guest user account. When from main users started update.