Pickup Script

[nerdiiii]

Hello,

I'm trying to set up a Pickup script which made by IzNoGod and I'm getting the error

******* script runtime error *******
type undefined is not a vector: (file 'maps/mp/gametypes/_pickups.gsc', line 10)
    self.pickpoint=spawn("script_origin",self.origin);
                                              *
called from:
(file 'maps/pam/sd.gsc', line 68)
 thread maps\mp\gametypes\_pickups::pickups();
        *
called from:
(file 'maps/mp/gametypes/_callbacksetup.gsc', line 15)
  [[level.callbackStartGameType]]();
          *
started from:
(file 'maps/mp/gametypes/_callbacksetup.gsc', line 10)
CodeCallback_StartGameType()
*
************************************
Sys_Error: Error during initialization:
script runtime error
(see console for details)
(file 'maps/mp/gametypes/_callbacksetup.gsc', line 10)

The script:

		pickups()
{
    self endon("disconnect");
    self endon("killed_player");
    self endon("spawned_player");
    self endon("spawned");
    picked=undefined;
    if(isdefined(self.pickpoint))
        self.pickpoint delete();
    self.pickpoint=spawn("script_origin",self.origin);
    dist=0;
    for(;;)
    {
        if(self usebuttonpressed())
        {
            if(!isdefined(picked))
            {
                trace=bullettrace(self geteye()+(0,0,20),self geteye()+(0,0,20)+maps\mp\_utility::vectorscale(anglestoforward(self getplayerangles()),99999),true,self);
                if(trace["fraction"]!=1)
                {
                    if(isdefined(trace["entity"]))
                    {
                        if(isplayer(trace["entity"]))
                        {
                            picked=trace["entity"];
                            picked iprintlnbold("picked up by admin");
                            self iprintlnbold("you picked up ",picked.name);
                            self.pickpoint.origin=picked.origin;
                            picked linkto(self.pickpoint);
                            dist=distance(self.origin,picked.origin);
                        }
                    }
                }
            }
            else
            {
                if(!isplayer(picked)||!isalive(picked))
                    picked=undefined;
                else
                {
                    self.pickpoint.origin=self geteye()+maps\mp\_utility::vectorscale(anglestoforward(self getplayerangles()),dist);
                    if(self meleebuttonpressed())
                        dist+=15;
                    if(self attackbuttonpressed())
                    {
                        if(dist>50)
                            dist-=15;
                    }
                }

            }
        }
        else if(isdefined(picked)||!isplayer(picked)||!isalive(picked))
        {
            if(!isplayer(picked))
                picked=undefined;
            else
            {
                picked unlink();
                picked iprintlnbold("dropped by admin");
                self iprintlnbold("you dropped ",picked.name);
                picked=undefined;
            }
        }
        wait 0.05;
    }
} 
	

Any help? thanks