I had that issue for a wile, missed out on a non Genuine Maul -_-'
but I still had some of the bots of my friends list, normally when They all go back online the site (kinda) fixes the bots or gives them any needed updates
I was able to speak to an admin on the warehouse, it happens
But after adjusting I was able to get a V.Texas Ten Gallon when it stopped ^_^
thats just me point of view, Steam trade dose fack up almost half the time