Marketplace error: "One or more of the specified products could not be listed."

[nir Aya]

After i uploaded an object when im' trying to "list" it i gets an error: "One or more of the specified products could not be listed."

What should i do?
thx.

[Rolig Loon]

Open the edit window for the unlistable item and be sure that you have put a value in all of the required fields, and that it's a valid value.  You can see what's expected here >>> http://community.secondlife.com/t5/English-Knowledge-Base/How-to-market-your-products/ta-p/700181#Section_.2.4