At this point, I have no idea. Unless you have regular trust level and can use the report bug tool, I suggest you send a message to Bug Support to report it as a bug. Make sure to read How to post a bug report.
Just for fun, have you tried copy-paste your rig into a new baseplate and see if the problem still happens? I’ve had some weird issues resolve by doing that. Besides, you’ll have to do that anyways to file the report. Focia19 is pretty good and will get back to you within a week, two to three days at most, most of the time. They will try and duplicate the bug. If they can, they will post your bug report.