[SuperViper]

At the top of your OnPlayerCommandText, put this:

pawn Код:

if(IsNull(cmdtext)) return SendClientMessage(playerid, COLOR_YELLOW2, "Error: Unknown command.);

and after your includes put this:

pawn Код:

#define IsNull(%1) \
    ((!(%1[0]))||(((%1[0]) == '\1') && (!(%1[1]))))