I am getting this error message for all of my safe share videos this afternoon. Earlier today, they were working fine in my class. This is a valuable site and, as a teacher, I really rely on it to show videos in a safer way -- but the inconsistency in service is a problem.
Here are 2 of the video links that are not working now:
I already tried the "?clean=1" fix -- but no luck.
Any idea why this happened and how to fix it?