React/Redux/Reduce developer for small work

Hello,
I have a project having small two issues need to be fix quickly, if you you expert in react then ping me.

https://gradegetter.com/channel/Make-SAT-Make-Sense

1st Error:
Please click any video
then you can see video
and go back
and click any vidoe again
then vidoe is not playing
this is 1st error

2nd Error:

https://prnt.sc/17b7vwo
related videos are not working


we are using muse.ai video player for our video
we are using this document.
https://muse.ai/docs#embed-player

Thanks,