Bug in vShop 0.6.1

[محروم.كوم]

Environment:
Clean install of phpwebsite 1.6.2 using vShop 0.6.1

Debian, PHP 5.2.0-8, mysql Ver 14.7 Distrib 4.1.11

Bug:
Activating the "Use inventory control" option causes all items to be listed as "Sold Out".

Action:
When trying to add inventory amounts into the "Qty in stock" field the input value does not hold.
Upon updating an item the "Qty in stock" value remains 0 (zero) and the item is listed as "Sold Out". __DEFINE_LIKE_SHARE__