Document Understanding Taxonomy error

Hi- how do I solve this error and what does it means?
I am exactly following this link given by UiPath
(New UiPath Document Understanding features have been released!)

hi @gsripada

May @Parth_Doshi can help you in this issue.

Happy Automation :raised_hands:

Best Regards
Er Pratik Wavhal :robot::man_technologist:t4: :computer:

Hey @gsripada
Check out this video it will clear all your queries
https://youtu.be/H8y65QbsMRw

Hi - can you share link where you are selecting or creating taxonomy from scratch.
TIA