While learning this new platform, I ran into an issue that nobody seemed willing or was able to give guidance on.
Loading videos and getting the error message, when you have had success loading videos in the past.
Issues might be that you are logged in across two web browsers, or your current web browser may have kicked you offline, even though you are able to go through the upload process on Dtube.
Answer- Log out of your current browser and simply log back in. That is what worked for me.
Hope this helps as we are all pioneers
to this new and exciting platform. Please follow me.