In general, how could I enter the game at the moment.
1. Download ExpressVPN, I chose South Korea there.
2. To fix the error -9, you need to use this method.
https://www.taptap.com/topic/5618664The essence of action. Find the folder of the game “com.nexon.traha” and rename it to “1com.nexon.traha” for example. Then clear the game data and return the folder name as it was.
Then go under the vpn in the game and the error -9 will not.