There is no FTM 2018, If you mean 2017, then the bug just may still be there.
Submit a bug report and/or even contact MacKiev at their Live Chat.
It just may help if you were to post a screen shot of the area that shows the step mother relationship?
Submit a bug report and/or even contact MacKiev at their Live Chat.
It just may help if you were to post a screen shot of the area that shows the step mother relationship?