maybe you have wrong line's than the one's from your database
oh and if you put a item which can be bought like more than one time ( like hp potion 50 )
you have to put the line in RefScrap of Package item ( 0 )
example 0 15 PACKAGE_ITEM_ETC_ALL_SPOTION_01 ITEM_ETC_ALL_SPOTION_01 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -1 xxx -1 xxx -1 xxx -1 xxx 9999 ...