How To Fix CNV_PE_GEN029 - Generation of interface mapping &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_GEN - Messages for object generation

• Message number: 029

• Message text: Generation of interface mapping &1 failed

What causes this issue?

The system is trying to generate the interface mapping <ZH>&V1&.</>

System Response

The generator function reported error <ZH>&V2&&V3&.</>

How to fix this error?

Try to execute the activity again. If the error persists, contact SAP
for support.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_GEN029 - Generation of interface mapping &1 failed ?

  The SAP error message CNV_PE_GEN029 indicates that the generation of interface mapping has failed. This error typically occurs during data migration processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools.
  Causes:
  
  Configuration Issues: Incorrect or incomplete configuration settings in the data migration tool can lead to this error.
  Mapping Errors: There may be issues with the mapping definitions, such as missing fields or incorrect data types.
  Authorization Problems: The user executing the migration may not have the necessary authorizations to perform the mapping generation.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or system performance issues.
  Version Compatibility: The version of the migration tool may not be compatible with the version of the SAP system being used.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the data migration tool to ensure they are correct and complete.
  Review Mapping Definitions: Verify the mapping definitions for any errors or inconsistencies. Ensure that all required fields are correctly defined.
  User Authorizations: Ensure that the user has the necessary authorizations to execute the mapping generation. You may need to consult with your SAP security team.
  System Logs: Check the system logs for any additional error messages or warnings that could provide more context about the failure.
  Technical Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide patches or updates that resolve the issue.
  Testing: If possible, test the mapping generation in a development or test environment to isolate the issue before applying changes in the production environment.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the CNV_PE_GEN029 error for any specific fixes or recommendations provided by SAP.
  Documentation: Review the official SAP documentation for the data migration tool you are using to ensure that you are following the correct procedures.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.