'Time-dependent taxes inactive: Tax Determ. Date for header must be empty.' error in SAP Ariba CIM

We are implementing SAP Ariba Central Invoice Management for our client. We are getting a taxation related mistake 'Time-dependent taxes inactive: Tax Determ. Date for header indispensable beryllium empty.' successful the CIM exertion Manage Supplier Invoices Centrally aft uploading a supplier invoice pdf done the CIM exertion Upload Supplier Invoices Centrally. On removing the taxation calculation day (which is the invoice day car filled from the uploaded pdf invoice via OCR) from the uploaded invoice, the mistake is resolved. But we privation this mistake resolved without this manual intervention. PFA screenshot of the mistake for your reference. Let america cognize if anyone has immoderate imaginable solutions.

Thanks & Regards,

Alan