[TzAkS.]

pawn Код:

new string[128];
if (PlayerInfo[playerid][pAdmin] <1 || !IsPlayerAdmin(playerid))
{
    if (GetPlayerPing(playerid) > 500)
    {
        format(string,sizeof(string),"[Server]: Player %s Have been kicked from server (High Ping, %d /500)",GetPlayerNameEx(playerid),GetPlayerPing(playerid));
        SendClientMessageToAll(COLOR_DRED, string);
        Kick(playerid);
    }
}

You forgot to open "{"