Dear Samsung Member,
Greetings from Samsung Customer Support!
We are sorry for the inconvenience caused to you. We request you to kindly send us the error log file along with the Video or Screen-shots within 15 minutes of issue occurrence through error report section from Samsung Member Application:- Samsung member > Click on beta banner > Switch to beta mode > Beta feedback > Send feedback > Error report. As this will help us to further investigate and resolve your concern.
Thank you for writing to Samsung.
Samsung Customer Support
I have faced same problems with my Samsung note 20 ultra, the reason I found that I have reduced animation scale zero in developers option, when I changed these animation to .5x the effect in keys cafe was working. I hope this will resolve your keys Cafe effect problem. Thanks