How To Fix CNV_PE639 - Parameter &1 of "Build Transfer List" Processing is not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 639

• Message text: Parameter &1 of "Build Transfer List" Processing is not maintained

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE639 - Parameter &1 of "Build Transfer List" Processing is not maintained ?

  The SAP error message "CNV_PE639 Parameter &1 of 'Build Transfer List' Processing is not maintained" typically occurs during the execution of a data migration or transfer process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a required parameter for the "Build Transfer List" process is not set or maintained in the system.
  Cause:
  
  Missing Configuration: The specific parameter referenced by &1 is not configured in the system. This could be due to a missing entry in a customizing table or a configuration step that was not completed.
  Incorrect Data: The data being processed may not meet the required criteria, leading to the inability to build the transfer list.
  Version Mismatch: There may be a version mismatch between the migration tool and the source or target system, leading to parameters not being recognized.
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the relevant customizing transaction (e.g., SPRO) and ensure that all necessary parameters for the "Build Transfer List" process are correctly maintained.
  Look for any specific configuration related to the migration or transfer process you are executing.
  
  
  
  Review Migration Settings:
  
  Ensure that all required settings in the migration cockpit or data transfer tool are filled out correctly.
  Check if there are any prerequisites or dependencies that need to be fulfilled before executing the transfer.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for the specific migration tool you are using. This documentation often includes details about required parameters and configuration steps.
  
  
  
  Check for Notes and Updates:
  
  Look for any SAP Notes related to the error message CNV_PE639. SAP frequently releases notes that address known issues and provide solutions or workarounds.
  
  
  
  Debugging:
  
  If you have access to the development environment, you can debug the process to identify which parameter is causing the issue. This may require technical expertise.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above steps, consider reaching out to SAP Support for assistance. Provide them with the error message and any relevant details about your configuration and the steps you have taken.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO for configuration, LTMC for the Migration Cockpit, or any specific transaction related to the data transfer process you are using.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, ensure that you are following the correct steps for data migration and that all necessary templates and mappings are in place.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to identify and resolve the issue related to the CNV_PE639 error message.