How To Fix WP409 - Payment type & cannot be converted

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 409

• Message text: Payment type & cannot be converted

What causes this issue?

The conversion rule for payment method &V1& is unknown.

System Response

The relevant record cannot not be prepared in POS - interface outbound
processing. The relevant document cannot be posted in the SAP system in
POS - interface inbound processing.

How to fix this error?

<DS:SIMG.W_DF_VK_0123.SIMG_OPOS>Define a conversion rule for the
payment method </>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WP409 - Payment type & cannot be converted ?

  The SAP error message WP409: Payment type & cannot be converted typically occurs in the context of payment processing, especially when dealing with payment medium formats or payment transactions in Financial Accounting (FI) or Treasury modules.
  
  Cause
  
  The error indicates that the specified payment type (e.g., check, bank transfer, direct debit) cannot be converted or mapped to the required format or payment method during the payment run or payment medium generation.
  This usually happens because:
  The payment type is not maintained or configured correctly in the system.
  The payment method assigned to the vendor/customer or company code does not support the conversion.
  Missing or incorrect configuration in the payment program customizing (transaction FBZP).
  The payment medium format or conversion rules do not recognize the payment type.
  The payment type is not supported by the selected payment medium format.
  
  
  
  
  Solution
  
  
  Check Payment Method Configuration:
  
  Go to transaction FBZP (Maintain Payment Program).
  Verify the payment methods assigned to the company code and vendor/customer.
  Ensure the