[Stryke]

I keep getting this error message and cant get it to go away any help guys?

error 017: undefined symbol "gdebug"

pawn Код:

forward PlayerToPoint (Float:radi, playerid, Float:x, Float:y, Float:z);
public PlayerToPoint(Float:radi, playerid, Float:x, Float:y, Float:z)
{
    if (gdebug >= 3){printf("DEBUG ProxDetectorS()");}
    new Float:oldposx, Float:oldposy, Float:oldposz;
    new Float:tempposx, Float:tempposy, Float:tempposz;
    GetPlayerPos(playerid, oldposx, oldposy, oldposz);
    tempposx = (oldposx -x);
    tempposy = (oldposy -y);
    tempposz = (oldposz -z);
    //printf("DEBUG: X:%f Y:%f Z:%f",posx,posy,posz);
    if (((tempposx < radi) && (tempposx > -radi)) && ((tempposy < radi) && (tempposy > -radi)) && ((tempposz < radi) && (tempposz > -radi)))
    {
        return 1;
    }
    return 0;
}