I got an "Unable to Generate Concordance" error for The Irrevocable Calling.
Support info:
LLS:IRRVCBLCALL2008-04-18T20:09:05ZIRRVCBLCALL.lbxlls
I can confirm this error - running L9 (9.17 Beta 2 to be precise) on Win 10
I'm running Logos 9.16 on Windows 10.
Thanks for the report. I've created a case to fix this bug. Unfortunately, there isn't a workaround for the issue.