How To Fix WP426 - Transaction code & for sales as per receipts cannot be converted

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 426

• Message text: Transaction code & for sales as per receipts cannot be converted

What causes this issue?

The conversion rule for transaction type &V1& for inbound processing as
per sales receipts has not been defined.

System Response

The data could not be processed.

How to fix this error?

<DS:SIMG.W_DF_VK_0138.SIMG_OPOS>Maintain the required conversion
rule</> or <DS:SIMG.W_DF_VK_0129.SIMG_OPOS>switch off conversion</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WP426 - Transaction code & for sales as per receipts cannot be converted ?

  The SAP error message WP426 with the text:
  Transaction code & for sales as per receipts cannot be converted
  typically occurs in the context of sales document processing, especially when dealing with sales as per receipts (also known as sales based on incoming payments or sales as per cash receipts).
  
  Cause of the Error WP426
  
  The error indicates that the transaction code associated with the sales as per receipts process cannot be converted or is not valid for the current operation.
  This usually happens when the system tries to convert or process a sales document or transaction that is linked to a transaction code which is either:
  Missing or not maintained in the system.
  Incorrectly assigned or configured.
  Not supported for the sales as per receipts process.
  
  
  It can also occur if the customizing settings for the transaction codes related to sales as per receipts are incomplete or inconsistent.
  
  
  Where does this error typically appear?
  
  During the conversion of sales documents