3047510 - Process Communication Error "Tax calculation failed; trigger a calculation again" in Purchase Order/shopping cart

You have a Purchase Order ABC (ABC refers to the Purchase Order ID) with a Process Communication Error, and the Main Error is "Tax calculation failed; trigger a calculation again".

 or you may see same process communication error in shopping cart.

SAP Business ByDesign

1. Go to the Purchase Requests and Orders work center.
2. Go to the Purchase Orders view.
3. Search and open Purchase Order ABC.
4. Click on View All button.
5. Go to the Document Flow tab.

or

 Open the Shopping cart and go to document flow

Here you can see a red icon indicating that there is a Process Communication Error assigned to this Purchase Order/shopping cart

1. Go to the Application and User Management work center.
2. Go to the Process Communication Errors view.
3. Select, from the dropdown menu, Open Errors with Incidents.
4. Select the line where Receiving Document ID is ABC.  or Sender is internal request(Shopping cart)

You can see here that the Main Error is "Tax calculation failed; trigger a calculation again"

The system is not able to update the document because there is an Exchange Rate error in the Purchase Order ABC.

1. Go to the Purchase Requests and Orders work center.
2. Go to the Purchase Orders view.
3. Search and open Purchase Order ABC.
4. Click on View All button.
5. Click on Check button.

The system will trigger an error: "Exchange rate X/Y on DD.MM.YYYY missing for currency conversion" (where X refers to the Supplier's currency, Y refers to the Company's currency, and DD.MM.YYY refers to the creation date of the Purchase Order ABC).

To solve this issue, you need to maintain an Exchange Rate between the currencies X and Y. The steps to maintain the Exchange Rate can be seen in the KBA 2370139 - Error: Exchange Rate X/Y on date DD.MM.YYYY Missing for Currency Conversion.

2370139 - Error: Exchange Rate X/Y on date DD.MM.YYYY Missing for Currency Conversion.

Process Communication Error, Purchase Order, Tax calculation, tax, failed, calculation, trigger. , KBA , red mark in document flow , AP-POP-PO , Purchase Order , AP-REQ , Internal Request Processing , How To