check the user name
when you enter the correct user name and wrong password it will return error 2 .
follow his tutorial step by step
and enter same username and password or you can create your also check documentation
Oh thanks that will help,
i guess but still thanks for your answer, i will tried that
BQKdev | 2021-04-24 21:02
did you solve your problem ? because i face same problem 2 day before then i did every thing in right way by following this tutorial and create my game apk without any error