Unknown Titles in Download History

I got a new 360 and was going through the unreasonably tedious process of queueing up the ~2,500 items in my download history so they can reconfigure the license with the new console. I ran into a lot of Unknown Title items in the list but I was able to
add them to queue anyway and even though they failed to download, I could at least see what they were. The majority were old themes or gamer pictures.

However, when I got up to my 2015 download history, I was very surprised to see a lot of them all together. And when I clicked to add them to the queue, they didn't even give me an item description. How do I find out what items they were and why can't I
download them?

There's six of them on 1/27/15, one on 12/28/14, and five more on 12/27/14 if that helps.

:)

 

Games with gold disappeared from my account

That's weird. I've seen unknown title show up when looking at the storage devices but never seen it in the download history. Does anything happen when you select any of these unknown titles in the download history?

 

Redeeming Codes / Purchase History

For all the codes you are redeeming are they showing up as an Unknown Title in your Purchase History?

Sign in to your Microsoft account

 

If you have an Xbox One, those would be games/content you've downloaded on the One. The download queue hasn't been updated to show what those are.