Have you booted to the Maintenance screen and Wiped the Cache Partition?.
if not, search for my post in Tips:
Apps crashing on your beta - try this
There's an extra step in there.
Next thing, go to Developer Options and set the following to 0.5 (see the second screenshot)
Hello @userlQNSpIGilk ,
Thank you for your feedback. If you haven’t already, Please update Samsung members app to latest version from galaxy store and send us an error report immediately after experiencing the issue from the Samsung member’s app -> Beta Feedback -> Error Reports to help us debug the issue. We apologize for the inconvenience and appreciate your contribution to the beta program.
One UI Beta Team