Made the basic video skill found on Alexa site. Beta shared it with four accounts. On 2 of them it work as expected. Able to account link, choose device, choose echo device and use.
On 2 accounts after account linking and device discovery a blank screen appears. Whats happening? How can this be debbugged?
Here is the device discovery (which I see that is successful both in the logs and its "found" in the smart api
Here is the subsequent black screen