A small problem with Shop

Hi all , i have this problem

http://img268.imageshack.us/img268/7551/buge.jpg

http://img10.imageshack.us/img10/7542/bug1dsj.jpg

but this item has a duration of 0
( With all item created and added in shop with duration 0, give me this 2day .. . . )

Please help me .

Left Duration Blank, NULL

Ok thanks Alfredo

EDIT : No works -_-

UP please . . .

Help me ( sorry for double post -_- )