DonnieDarko Mistwood

Today I was in a land and I try to rezz a meeroos' home, a stump, that were in my inventory. The object didn't appear in world but has gone outr from my inventory and me or the owner of the land have not succeeded in finding again it. In the folder lost and foud and in my inventory isn'i it and in region too. What can I do for to get back it? Thank you and apologize for my worst English ;-)