Actually, I have few files that I would always upload one after the other (when testing re-recording). It does not matter the order, so for example lets call one of them A and the other B. I can do for example:
A, A, A, A, A, B, B, B, A, B or just the same
B, B, A, A, B, A, B, A, B, A
So you can upload any video, even if it is the same. What you have mentioned would be the case if your videos are pushed to YouTube for example since YouTube then marks your other videos as duplicate.
So I would like to just check if this is happening to you in any specific scenario or file, or does this happen to you every single time?
Also, just to be sure, are you saying that if you click on the redo button (or upload link) nothing happens, or that when you select the video it does not do anything?