I have the newest version of the Minimal theme.
When I check my site on Google console search I'm getting 9 errors on my products. I think it has to do with Search Engine Optimization and I have not messed with any of that.
I am not the only one with this problem , here is another thread https://community.shopify.com/c/Shopify-Design/Google-warnings-Products-Missing-field-quot-priceVali...
May here from Shopify.
Sorry to see that you are having this issue as well. I’ve just recently posted a reply on the thread you linked above. Since you’re already on the latest version of your theme, I recommend adding structured data to your theme. Please let me know if this helps!