Got it done!
Thanks for your help.
UNA on inSelf Yoga
Version: 12.1.0 Installed: 12 Apr 2019
Based on past experience, it's better to clone your site and test the upgrade on the cloned site, that way you run into problems on a Dev environment and not live.
If all goes well you then run the update on your live system
InPage, Yours is the Best advice on this topic - A simple solution to an old problem. Thanks!