This Error Shows

[Yoona]

script:getarg: no callfunc or callsub!

and the script im using is this

 

-	shop	Middle_Quest_HG	-1,501:50
sky_quest,38,46,5	script	Amelia Earhart	569,{
	set @i,0;
	mes "[ Amelia Earhart ]";
	mes "Which item do you wish to obtain?";
	mes "Select only one.";
	callshop "Middle_Quest_HG",1;
	npcshopattach "Middle_Quest_HG";
	end;


OnBuyItem:
	if(.BuildQuest) {
		for(set .e,0; !compare(""+getarg(.e+1),"Zeny"); set .e,.e+2) {}
		npcshopadditem "Middle_Quest_HG",getarg(.e+2),getarg(.e)*compare(""+getarg(.e+1),"SZeny");
		setarray .Shop[.i],getarg(.e+2);
		set .i,.i+1;
		goto Quest_Setup;
	}
	if(.Shop[@i]!=@bought_nameid) for(set @i,1; 1; set @i,@i+1) if(.Shop[@i]==@bought_nameid) { set .i,@i; callsub Quest_Setup; }
	for(set @i,1; !@e; set @i,@i+1) if(.Shop[@i]==@bought_nameid) { set @e,1; set .i,@i; callsub Quest_Setup; }
	mes "[ Amelia Earhart ]";
	mes "I require the following:";
	for(set @i,0; !compare(""+getarg(@i+1),"Zeny"); set @i,@i+2) mes "^FF0000" + ((countitem(getarg(@i))>=getarg(@i+1))? "^00FF00":"") + "" + getarg(@i+1) + " " + getitemname(getarg(@i)) + " [" + countitem(getarg(@i)) + "/" + getarg(@i+1) + "]";
	if(getarg(@i)) mes "^FF0000" + ((Zeny>=getarg(@i))? "^00FF00":"") + "" + getarg(@i) + " Zeny";
	mes "^000000In exchange, I will give you:^0000FF";
	for(set @i,@i+2; getarg(@i+1,0); set @i,@i+2) mes getarg(@i+1) + " " + getitemname(getarg(@i));
	switch(select("Exchange:" + (((((getiteminfo(@bought_nameid,5) & 1) || (getiteminfo(@bought_nameid,5) & 256) || (getiteminfo(@bought_nameid,5) & 512)) && @equip==0))? "Preview Item":"") + ":No thanks")) {
		case 1:
			for(set @i,0; !compare(""+getarg(@i+1),"Zeny"); set @i,@i+2) if(countitem(getarg(@i)) < getarg(@i+1)) {
				next;
				mes "You have " + countitem(getarg(@i)) + " " + getitemname(getarg(@i)) + ", while I require " + getarg(@i+1) + ".";
				mes "Please obtain ^FF0000" + (getarg(@i+1)-countitem(getarg(@i))) + " more " + getitemname(getarg(@i)) + "^000000.";
				close;
			}
			if(Zeny < getarg(@i)) {
				next;
				mes "You do not have enough Zeny.";
				mes "Please obtain ^FF0000" + (getarg(@i)-Zeny) + " more Zeny^000000.";
				close;
			}
			for(set @i,0; !compare(""+getarg(@i+1),"Zeny"); set @i,@i+2) delitem getarg(@i),getarg(@i+1);
			set Zeny,Zeny-getarg(@i);
			for(set @i,@i+2; getarg(@i+1,0); set @i,@i+2) getitem getarg(@i),getarg(@i+1);
			if (compare(""+getarg(@i,0),"announce")) announce strcharinfo(0) + " has just obtained " + getitemname(@bought_nameid) + "!",bc_blue|bc_all;
			close;
		case 2:
			set @bottomview, getlook(3);
			set @topview, getlook(4);
			set @midview, getlook(5);
			addtimer 1000, strnpcinfo(3)+"::On_Leave";
			set @equip,getiteminfo(@bought_nameid, 5);
			set @view, getiteminfo(@bought_nameid, 11);
			if(@equip != -1 && @view > 0) {
				if(@equip & 1) atcommand "@changelook 3 " + @view;
				if(@equip & 256) atcommand "@changelook 1 " + @view;
				if(@equip & 512) atcommand "@changelook 2 " + @view;
			}
			next;
			goto OnBuyItem;
		case 3:
			close;
	}
On_Leave:
	atcommand "@changelook 1 " + @topview;
	atcommand "@changelook 2 " + @midview;
	atcommand "@changelook 3 " + @bottomview;
	set @equip,0;
	set @view,0;
	set @topview,0;
	set @midview,0;
	set @bottomview,0;
	end;
OnInit:
    npcshopitem "Middle_Quest_HG",0,0;
    npcshopdelitem "Middle_Quest_HG",0,0;
	npcshopdelitem "Middle_Quest_HG",501;
	set .BuildQuest,1;
	set .i,1;
Quest_Setup:
	switch(.i) {
		default: set .BuildQuest,0; set .e,0; set .i,0; end;
		case 1: callsub OnBuyItem,7511,1000,7507,200,7111,100,7151,100,1048,200,7312,300,0,"SZeny",25028,1,"announce";
		case 2: callsub OnBuyItem,996,200,693,100,7265,300,1820,10,992,100,0,"SZeny",25027,1,"announce";
		case 3: callsub OnBuyItem,7226,200,720,150,7751,200,723,300,1001,100,0,"SZeny",25029,1,"announce";
		case 4: callsub OnBuyItem,7122,300,7097,250,7120,250,4439,10,0,"SZeny",25030,1,"announce";
		case 5: callsub OnBuyItem,2327,10,523,200,7448,500,2282,10,714,30,7063,3000,0,"SZeny",25031,1,"announce";
		case 6: callsub OnBuyItem,7799,1000,7023,30,7798,500,7511,2000,1636,1,0,"SZeny",25032,1,"announce";
		case 7: callsub OnBuyItem,7157,1000,7266,150,7187,200,5087,10,928,300,7172,100,0,"SZeny",25037,1,"announce";
		case 8: callsub OnBuyItem,909,1000,7126,1000,7578,10,5045,1,2311,5,0,"SZeny",25038,1,"announce";
		case 9: callsub OnBuyItem,7257,2000,7023,50,7511,1500,0,"SZeny",25043,1,"announce";
		case 10: callsub OnBuyItem,1035,500,7567,300,7005,10,930,200,7511,1000,7799,200,0,"SZeny",25044,1,"announce";
		//case 11: callsub OnBuyItem,7047,250,7211,10,1045,100,7072,500,7207,50,7069,50,0,"SZeny",25027,1,"announce";
	}
}