Its solved. My fault. A lazy Sunday. Thanks..
Sorry, I have not put such a code (unless by default), but I have disabled Woocommerce > Products > Review. However, still the same problem.
All 4 options are selected, still “Donations are not activated for this project.”
Product date
Virtual
Donation product
Regular price 1
To be clear the donation product is displayed in the shop but not at individual pages..
