Unable Login! Can not log in to Battle.net

I suddenly can’t log in the Blizzard, someone plz help me.
It shows could not log in to Battle.net
More help: BLZBNTBNA00000A8D(1118)

I cant download the app even though I have paid for it tech support wants bullsh%t
files why cant they just fix this stuff ?

Same problem error code BLZBNTBNA00000A8D(1101) for my account Yologuy0123 would appriciate if blizzard could 1 up their games.