Need some help over here please

Sorry i know this isnt the right section but i need immediate answer as well as some solution to the server owners as they might fix this thing...

i'm using Fixed IP Address connection ( Static IP Addresses ) from 10 different servers i download there's like only 1 i could login>

the others gives me (C9) error just after the confirmation window
Any idea why ?!
Viper sro
Avatar Sro
Damanation II
Emergency sro
fantastic road sro
And elyna and others more

The servers icould actually go on is EpicGame And mirror sro

s

PUMP

c9 = if you open client in same pc you host on it server,you must use loader for open it,and i use vps not using Fixed IP,i didnt see any problem right now with me,this all i have to say to you maybe will help "sory":(.

i'm trying to run server as USER not as Host i mean idont own aserver
i just want to "PLAY" On server i'm getting this error during login