simple transfer not working

[Steve Zeeeee]

Group,

I back up files on a 2010 mac Pro 10.13.6 High Sierra.

Drag and drop or Super Duper, no matter.

The originals are on 2019 Mac Pro 12.5 Monterrey.

This is what happens to a FEW of the files:

Any thoughts please?

[Steve Zeeeee]

OK i found the fix.  Use an older "compatibility" in preferences.