How To Fix CNV_PE779 - Transformation configuration for invalid parameter (ID &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 779

• Message text: Transformation configuration for invalid parameter (ID &1)

What causes this issue?

The transfer method parameter with ID &V1& does <ZH>not </>exist in the
transfer method interface anymore. However, there is still a
transformation assigned to it.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE779 - Transformation configuration for invalid parameter (ID &1) ?

  The SAP error message CNV_PE779 indicates that there is an issue with the transformation configuration for a specific parameter in the context of a data migration or conversion process. This error typically arises during the execution of a data migration project, particularly when using SAP's tools for data transformation, such as the SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  The error message "Transformation configuration for invalid parameter (ID &1)" suggests that:
  
  Invalid Parameter ID: The parameter ID specified in the transformation configuration is not recognized or does not exist in the system.
  Configuration Issues: There may be a misconfiguration in the transformation settings, such as missing or incorrect mappings, or the transformation logic may not be properly defined.
  Data Model Changes: If there have been changes to the data model or the underlying structures, the transformation configuration may no longer be valid.
  Version Compatibility: The transformation configuration may not be compatible with the version of the SAP system you are using.
  
  Solution:
  To resolve the CNV_PE779 error, you can take the following steps:
  
  
  Check Parameter ID: Verify that the parameter ID mentioned in the error message is correct and exists in the transformation configuration. Ensure that it is spelled correctly and matches the expected format.
  
  
  Review Transformation Configuration:
  
  Go to the relevant transaction or tool where the transformation configuration is defined (e.g., LTMC for Migration Cockpit).
  Check the mappings and transformation rules associated with the parameter ID.
  Ensure that all required fields and mappings are correctly defined.
  
  
  
  Validate Data Model: If there have been recent changes to the data model, ensure that the transformation configuration is updated accordingly. This may involve adjusting mappings or adding new fields.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration or transformation tool you are using. There may be specific guidelines or known issues that can help you troubleshoot the problem.
  
  
  Test with Sample Data: If possible, test the transformation with a small set of sample data to isolate the issue and confirm that the configuration works as expected.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more detailed assistance based on your specific scenario.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific data migration tool you are using for best practices and configuration guidelines.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_PE779 error in your SAP environment.