[Ballu Miaa]

You missed szPlayerName while showing the main message. Maybe its cause of that. Try this one.

pawn Код:

CMD:p(playerid, params[]) {
        new giveSz[32], param[128], param1[128], param2[128], param3[128], playerName[2][MAX_PLAYER_NAME], string[128];

        if(sscanf(params,"s[32]S()[128]S()[128]S()[128]S()[128]", giveSz, param, param1, param2, param3)) {
            SendClientMessage(playerid, COLOR_GREY, SYNTAX_MESSAGE"/p [Option]");
            SendClientMessage(playerid, COLOR_GREY, "Options: m"); 
            return 1;
        }
        if(strcmp(giveSz, "m", true) == 0) {
            if(isnull(param)) return SendClientMessage(playerid, COLOR_GREY, SYNTAX_MESSAGE"/p m [Message]");

            GetPlayerName(playerid, szPlayerName, MAX_PLAYER_NAME);
            format(string, sizeof(string), "(Megaphone) %s says: %s",szPlayerName , param);
            nearByMessage(playerid, COLOR_HOTORANGE, string, 50.0);
        }
    return 1;
}