How To Fix WP410 - Transaction type & cannot be converted

WP410 - Overview

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 410

• Message text: Transaction type & cannot be converted

What causes this issue?

The conversion rule for transaction type &V1& is unknown.

System Response

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

How to fix this error?

<DS:SIMG.W_DF_VK_0120.SIMG_OPOS>Define a conversion rule for the
transaction type</>.

Error message extract from SAP system. Copyright SAP SE.

WP410 - Details

• The SAP error message:
  WP410: Transaction type & cannot be converted
  
  
  Cause:
  This error occurs when you attempt to convert a transaction type in the Work Breakdown Structure (WBS) element or project system, but the system cannot perform the conversion because the transaction type is either not defined for conversion or the conversion rules are missing or incorrect.
  In SAP Project System (PS), transaction types are used to categorize and process different types of transactions (e.g., costs, revenues). When you try to convert or post transactions, the system uses predefined conversion rules to map these transaction types to appropriate accounts or cost elements.
  If the transaction type you are trying to convert is not maintained in the conversion rules or the system does not know how to handle it, the error WP410 is triggered.
  
  Common Scenarios:
  
  Posting costs or revenues to a WBS element or network activity where the transaction type is not properly configured.
  Using a transaction