Hello all,
I am phasing a similar problem. Thanks in advance for your help!
The strange thing is, that last week I was able to embed a short without any problems. Now I cannot even embed the one, that was working last week. When I try to edit the last week's page, it would not work and I would receive the same error message.
I want to embed the following YouTube Short on my page:
When doing so, I receive the very same error massage as Bookworm does: