This is basically the same problem that John+Wickberg Christensen reported. I have
tracked it down to a change I made that causes empty prefixes, infixes and
postfixes to be fail.
I have stopped the distribution of patch 8.0.100.45 and will make a new
patch once I do some more investigation and decide on the best fix - I put
the check in because of other problems, so don’t want to just remove it.
John+Wickberg
Paratext Support