https://imgur.com/a/Jgoml6F
The first image is the offending packages in my inventory, and the second image is the console output at that moment.
Somehow, when completing the Circle of Mysteries "Eliminate robots Challenge", I ended up completing it twice within a few seconds of each other, with it appearing to count it once, then lose 5 of the progression, so that it counted it again and gave me the prize twice.
It happened roughly around 6:30 EDT on the NY x1000 MVM server, with I think 2 or 3 people on.