Add items to NPC

Hello,
i try to add Monster summon scroll and pandora box to NPC
First i edit this two lines in "refshopgoods"
1 15 STORE_CH_ACCESSORY_TAB1 PACKAGE_ITEM_ETC_E060517_MON_GENERATION_BOX 0 -1 xxx -1 xxx -1 xxx -1 xxx
1 15 STORE_CH_ACCESSORY_TAB1 PACKAGE_ITEM_ETC_E050729_SUMMON_SCROLL 1 -1 xxx -1 xxx -1 xxx -1 xxx

but now my client crash ... what i have to do to fixx that ?


.....i found the problem , PACKAGE of these 2 items dont exist ... somone now how to create ?

add them client side

it iss client side , but if i try to start my client the client crash ....