Npc shop module problem - dont see my items

[pioncz]

Hello,
I have shop module in my npc and he dont see some of my items. Could somebody tell me why? Here is code of my npc:

<?xml version="1.0" encoding="UTF-8"?>
<npc name="Djinn Chanani" script="default.lua" walkinterval="2000" floorchange="0">
	<health now="150" max="150"/>
	<look type="80" head="132" body="79" legs="97" feet="132" corpse="2212"/>
	<parameters>
		<parameter key="module_shop" value="1"/>
		<parameter key="message_greet" value="Hello |PLAYERNAME|. I buy rings, amulets, wands and some magic stuff."/>
		<parameter key="shop_buyable" value="stone skin amulet,2197,5000;elven amulet,2198,500;garlic necklace,2199,100;bronze amulet,2172,100;stealth ring,2165,5000;sword ring,2207,500;club ring,2209,500;axe ring,2211,500;power ring,2006,100;life ring,2168,900;dwarven ring,2213,2000;energy ring,2167,2000;ring of healing,2214,2000;time ring,2169,2000;might ring,2164,5000;strange talisman,2161,100;silver amulet,2170,100;dragon necklace,2201,1000;protection amulet,2200,700;"/>
		<parameter key="shop_sellable" value="wand of vortex,2190, 250;wand of dragonbreath,2191, 500;wand of decay,2188, 2500;wand of draconia,8921, 3750;wand of cosmic energy,2189, 5000;wand of inferno,2187, 7500;wand of starstorm,8920, 9000;wand of voodoo,8922, 11000;snakebite rod,2182, 250;moonlight rod,2186, 500;necrotic rod,2185, 2500;northwind rod,8911, 3750;terra rod,2181, 000;hailstorm rod,2183, 7500;springsprout rod,8912, 9000;underworld rod,8910, 11000;orb,2176,750;mind stone,2178,100;life crystal,2177,50;mysterious fetish,2194,50;ankh,2193,100;stone skin amulet,2197,500;elven amulet,2198,100;garlic necklace,2199,50;bronze amulet,2172,50;stealth ring,2165,200;sword ring,2207,100;club ring,2209,100;axe ring,2211,100;power ring,2006,50;life ring,2168,50;dwarven ring,2213,100;energy ring,2167,100;ring of healing,2214,100;time ring,2169,100;might ring,2164,250;strange talisman,2161,30;silver amulet,2170,50;dragon necklace,2201,100;protection amulet,2200,100;"/>
	</parameters>
</npc>

 

[pioncz]

I see now, he dont buy my items coz they are charges:100, and on his shop bar i see he is buying with charges:1. How can i change this?