specail error and need help

hey guys im new im here to show me problem

look when i playing cross fire message appears say 255220_3 and this make the game freeze but im moning after 10 sec messager appeared im cant move then if waited it make me get out of the map to the list of players at room then message it says it me dissconnected from server then it make me go to servers lists when i try enter any server after loading say to me dissconected from server i cant play zombie mode one time i was killing the boss in crater i was close my score was above 700000 but message say 255220_3 made me out

that is a example need help

Can't be fixed, it's a CF server bug. I get it from time to time, you just have to deal with it.