Video player not working properly on different devices

I have veen facing this issue with player very frequently now and on different devices. Therefore, just wanted to check if this is a known issue or something which is not reported yet.


The videos stops playing and the audio continues. The only option which seems to work is refresh the page or lecture altogether again from scratch. Looks like it happens more frequently if we use seek bar often.

Please help as this is very annoying and time taking at times.