Ebay module error?

[tizdaz]

hi guys,

 

im trying to setup the free ebay module, but when i sync i keep getting this error:

 

Settings updated (Option A : 2 / 2 product(s) sync with eBay)

Some products have not been listed successfully due to the error(s) below
The duration "30" day(s) is not available for this listing type, or invalid for category "424".
30

Product(s) concerned :
- Dzus Fasteners (Pack of 20)

 

any ideas please?