[Catalyst-]

Code:

public OnPlayerUpdate(playerid)
{
            new weaponid = GetPlayerWeapon(playerid);//This will cause the "weaponid not defined" Error
            new Nam[MAX_PLAYER_NAME];
            new str[128];
            if(weaponid == 24 && aWeap[playerid] == 0) // The weapon ID
            {
            GetPlayerName(playerid,Nam,sizeof(Nam));
            format(str,sizeof(str),"ANTI WEAPON HACK: %s has been banned from server for spawning a bad weapon!",Nam);
            SendClientMessageToAll(0xFF0000FF,str);
            Kick(playerid,"ANTI WEAPON HACK: Weapon Hack!");
            }
            return 1;
}