How To Fix CNV_PE501 - Undo transfer method &1 is not assigned to transfer method &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 501

• Message text: Undo transfer method &1 is not assigned to transfer method &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE501 - Undo transfer method &1 is not assigned to transfer method &2 ?

  The SAP error message CNV_PE501 indicates that there is an issue with the assignment of transfer methods in the context of a data migration or conversion process. Specifically, the error states that the "Undo transfer method &1 is not assigned to transfer method &2." This typically occurs in scenarios involving the SAP Data Migration Cockpit or similar tools where data is being transferred from one system to another.
  Cause:
  
  Misconfiguration: The transfer method that is supposed to handle the undo operation is not properly configured or assigned in the system.
  Missing Assignment: The specific undo transfer method (denoted as &1) has not been linked to the main transfer method (denoted as &2) in the configuration settings.
  Data Migration Settings: There may be inconsistencies in the data migration settings or profiles that are being used.
  
  Solution:
  
  
  Check Transfer Method Configuration:
  
  Go to the relevant configuration settings in the SAP system where transfer methods are defined.
  Ensure that the undo transfer method is correctly assigned to the main transfer method.
  
  
  
  Assign the Undo Transfer Method:
  
  If the undo transfer method is not assigned, you will need to create or assign it in the configuration.
  This can typically be done in the transaction codes related to data migration or conversion (e.g., using transaction codes like LTMC for the Migration Cockpit).
  
  
  
  Review Migration Settings:
  
  Review the migration settings and profiles to ensure that all necessary methods are correctly defined and linked.
  Check for any documentation or guidelines provided by SAP for the specific migration scenario you are working on.
  
  
  
  Consult SAP Notes:
  
  Look for any relevant SAP Notes that might address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test run of the data transfer to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Documentation: Refer to the official SAP documentation for the Data Migration Cockpit or the specific tool you are using for data transfer.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the error message and details of your configuration.
  
  By following these steps, you should be able to resolve the CNV_PE501 error and successfully complete your data transfer process.