Just got off from chat. I've not experienced it until today. Etsy are aware there is an issue with made to order digital orders automatically being marked as complete. My fellow digital sellers--do check your complete orders in case you have missed any. I almost missed one, thankfully I write down all my orders when they show in my email.
It's not a glitch. When creating a made to order download, you are not supposed to upload any files. It's all explained in the help center.
@NanaLetha It is a glitch. Made to Order digital listings are reverting to instant download listings with NO files.
There have been at least 6 threads from different sellers on this.
It is a bug.