I have fixed this error, it will be fixed in the v1.0.7 release coming soon.
I'm working on the Gifts right now.. take a look -->
http://www.ps2hits.com/forums/showthread.php?p=2#post2
http://www.ps2hits.com/forums/estore.php <-- revamping the front page still some more even! It's getting better and better all the time.
Here's a list of tentative updates that I have in and working for v1.0.7 right this second. (Still need some bug testing before a release, but it will release today later.)
v1.0.7 Update:
1) eStore Option: Forum Access, you can buy Access to forums you can't normally see

2) eStore Option: Deny Forum Access, you can Deny another user access to a forum of your choosing.
3) eStore Option: Give Forum Access, you can give another user access to a forum of your choosing.
4) Forum Edit Points Options have a header to separate the settings out some.
5) Fixed some eStore Option descriptions.
6) eStore now shows the image if there is one set for that item's imagelocation.
7) Reason field added to Admin Donate & Donate.
8) eStore pages show history at the top now.
9) Bugfix: Sticky/Unsticky Thread options were using a field I had on my boards named sticky_expiry to expire thread.
10) Removed duplicate estore_item_tax phrase.
11) eStore Option: Long awaited Give Gifts feature has been added.
-CMX