I just tried to get the “Blues 8- 12/8” preset into my setlist folder. It exports fine, but when I try to re-import it, I get this error message:
I checked a few other songs, too, but wasn’t able to reproduce the problem, i.e. those others I’ve tried re-import fine.
What I also did then was re-copy the BB content to the SD card, just in case something had gone wrong on that end, but to no avail.