How To Fix CNV_PE502 - Undo transfer method &1 is assigned to multiple transfer methods

CNV_PE502 - Overview

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 502

• Message text: Undo transfer method &1 is assigned to multiple transfer methods

Self-Explanatory Message

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CNV_PE502 - Details

• The SAP error message CNV_PE502 indicates that there is a conflict in the assignment of transfer methods in the system. Specifically, it states that the undo transfer method you are trying to use is assigned to multiple transfer methods, which is not allowed.
  
  Cause:
  This error typically occurs in the context of data migration or conversion processes, particularly when using the SAP Conversion Tools (like the SAP S/4HANA Migration Cockpit). The root cause of the error is that the system has detected that the same undo transfer method is linked to more than one transfer method, leading to ambiguity in the process.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the Transfer Methods: Check the configuration of the transfer methods in your system. You can do this by navigating to the relevant configuration area in SAP where transfer methods are defined.
  
  
  Review Assignments: Look for the specific undo transfer method mentioned in the