[Calisthenics]

The compiler is there to help you write good code.

pawn Код:

SendClientMessage(playerid, COLOR_GRAY, "Your IP \"%s\" is banned from our servers.", ip);

since it does give you a warning for number of arguments does not match, why do you ignore it? Also the use of specifiers in client messages results in server crashes as it's stated in wiki.

Solution: format message first.