That's weird @Terrys2
You could try a reset of the Samsung Keyboard.
Here is a similar thread > https://eu.community.samsung.com/t5/galaxy-note10-series/copy-paste.
Or maybe try gBoard or SwiftKey as an alternative.
Daily Driver > Samsung Galaxy s²³ Ultra 512Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "
I'm having a similar issue. After googling around it sounds like:
That's where I am so far. This is frustrating, as this was a feature I used daily until nerfed by a recent update!