Had this issue recently in a clone of our go live environment in Business Central and could not figure out why the error was coming up. It was happening for multiple users with different levels of permissions. When entering a purchase order or going into a purchase order you could not see any of the Purchase order lines at all. The only thing you saw where the lines were supposed to be was the Sustainability Setup does not exist. I tried a few things but what fixed it for me was..Navigate to Users inside of Business CentralClick on the user you know if having the errorAdd these 3 permission sets to the specific user and saveSUSTAINABILITY ADMINSUSTAINABILITY EDITSUSTAINABILITY READAfter I added those the user refreshed the page and the error was gone and the purchase order lines were there and they were able to add info into the fields as usual. I believe since its a new feature this is a bug that microsoft will fix in a minor release but adding these permission sets to the users that are getting the error fixed it for us for now as a workaround. Hope this helps!