Private Server - Multi Channel Issue

Hello,
I am actually using official NosTale files and when I try to join into a channel which is not the first, the client crashes and returns to login screen.
Do you know how to fix? Did GameForge change Log-In packets?
Hope you can help me :(
Have everyone a good day!

official nostale files? press x for doubt

and btw yes i know it

discord = .Sascha'#0001

Solved, thread can be closed :)