Ive seen similar errors and no response for the past days, im having this lines of errors:
HS:NT304:303:0
HS:CT:netcachecardvalues=1 / 2
Ive been able to log in other region (Europe) and in my android device. Ive tried the solutions listed here:
(Edit) ive tried this as well
(Edit) Deleted for the fith time the folders located in appdata and programdata and it worked. im afraid to close the game and have the same issue.