I wouldnt use MS Teams for storage.
Anything that isnt local is going to be a big source of pain for you. If your videos and project are saved anywhere but on a physical local drive in your own computer, then it has the potential to cause some serious problems.
If you are saying that you are using the cloud for this, then Im going to say this is the problem.
Copy the video file for your little 3 slide test, copy it to your local drive, and publish from there.
I guess that if the video file itself isnt corrupted, then this is going to work for you.
If you want to send me any offline messages, just click on my name here in this forum, and you can contact me directly via there.
Happy to help :)
