Ask your hoster for a new server. In the new server you should but there the files of b3.
Surely your b3 must be connected, so you can find in a script on which server it should be connected.
File: b3/b3-1.8.1(my version)/b3/conf/b3.xml
Set there your path to the games_mp.log of your server.Code:<set name="game_log">/home/srv_cod2_28968/.callofduty2/mods/mwcod2/games_mp.log</set>