The form cannot be submitted as it's missing required data

[MAD King]

Trying to add Custom Page Title, Meta Keywords, and Meta Description to the Vendor Shop page and getting this error when saving:

The form cannot be submitted as it's missing required data. Please correct the marked fields and try again.

There are NO marked fields!!!

What is going on lately with VM?

Joomla 5.4.7
VirtueMart 4.6.4 11226