Auction Bug - Item disappearing

[AaronzitoBr]

Hey guys, I'm getting this really annoying bug when I open every Lv. XX Weapon Crate, they give the weapons and when I try to put them on Auction the item seems to be registered, but disappear and go to nowhere. Its happening with a lot of items, mostly green and blue ones.

The strange thing is that when I create these items with /ci id command the item stays on auction correctly. What can be wrong here? Anyone has a tip?