apps don't work

[Mikemanny]

Some of my gaming apps don't work. Whenever I try to open it, it stays on a black screen 

[jerryheng]

just try to reinstall it again. I had my CoD mobile went black too after installed the beta, then I reinstalled it. it came back normally.

[SamsungUSABetaTeam]

Please try clearing the system cache and rebooting your device.

If issue persists, please send us an error report with screenshots from One UI Beta App (Beta Feedback -> Send feedback-> Error Reports -> "Select Category" -> Input frequency and Description" -> Send (Top Right Icon). We appreciate your help for supporting beta program.