3555025 - Error "Item type not permitted" Occurs When Creating Down Payment Request via Web Service

There is a Process Communication Error (PCE) displayed on the down payment request created via web service, the error is  "Item type not permitted".

SAP Business ByDesign

You executed the web service request payload and tried to creat a down payment request in the ByDesign. In the response payload, you found the down payment request was created, and you notice that there was a note on Item, saying "Item type not permitted". The same error is also visible in the frontend.

1. Go to the Customer Invoicing work center.
2. Go to the Invoice Requests view.
3. Open the down payment request ABC, in is processed status. (ABC represents the ID of the down payment request)
4. Go to the Document Flow tab, you can see the Process Communication Error on the following invoice document.
5. Go to the the Application and User Management - Process Communication Errors view.
6. Show Open Errors with Cases query, you find the PCE for the invoice, the main error is  "Split item type must be 1 (invoice) or 2 (credit memo)."

In the request payload, you are using an incorrect value in <PricingProcedureCode>. The correct <PricingProcedureCode> for down payment request is  PPGDP1 (Gross Down Payment Procedure).

You need to correct the request payload and execute the request again.

 <PricingProcedureCode>; PPGDP1; ManageDownPaymentCustomerInvoiceRequestIn; down payment request; web service; Item type not permitted; Split item type must be 1 (invoice) or 2 (credit memo). , KBA , AP-SLO-SO , Sales Order , Problem