When trying to connect to a PocketMine-MP 4.0 server, the proxy connects to the server, and right as it is about to log in it disconnects and an error is displayed in the console:
com.nukkitx.network.raknet.RakNetClient lambda$new$0
SEVERE: An exception occurred in RakNet (Client)
java.lang.NullPointerException
@AkmalFairuz
When trying to connect to a PocketMine-MP 4.0 server, the proxy connects to the server, and right as it is about to log in it disconnects and an error is displayed in the console: