Opened it with the Network info to see if that offered anything, but just ... tries to load the iframe, gets an empty response with a 404 code, and fails.   In Chrome, I get "iframe_api Failed to l...

1. Közösség
2. Classroom Product Questions and Feedback
3. Youtube Blocked

Here is the error in FireFoxThis is the Console Output:Loading failed for the <script> with source “https://www.youtube.com/iframe_api”.  atomic-structure-and-properties:1HTTP load failed with stat...

1. Közösség
2. Classroom Product Questions and Feedback
3. Youtube Blocked

I got the same problem today. We block YouTube at the DNS level at our school, so when it loads, the DNS filter directs to a "page blocked" site. In Windows 10 on Chrome and Firefox it gave errors....

1. Közösség
2. Classroom Product Questions and Feedback
3. Youtube Blocked