How To Fix CNV_NCE_BAS457 - Target subobject is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 457

• Message text: Target subobject is invalid

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_NCE_BAS457 - Target subobject is invalid ?

  The SAP error message CNV_NCE_BAS457: Target subobject is invalid typically occurs during data migration or conversion processes, particularly when using SAP's data migration tools or during the execution of a conversion program. This error indicates that the target subobject specified in the migration or conversion process is not recognized or is invalid.
  Causes:
  
  Incorrect Configuration: The target subobject may not be correctly configured in the system or may not exist in the target environment.
  Data Mapping Issues: There may be a mismatch between the source and target data structures, leading to an invalid reference to a subobject.
  Missing Customization: If the target system has custom objects or fields that are not properly defined, this can lead to the error.
  Version Compatibility: The version of the migration tool or the source/target systems may not be compatible, leading to issues in recognizing subobjects.
  
  Solutions:
  
  Check Configuration: Verify that the target subobject is correctly defined in the target system. Ensure that all necessary configurations are in place.
  Review Data Mapping: Examine the data mapping between the source and target systems. Ensure that all fields and subobjects are correctly mapped and that there are no discrepancies.
  Custom Objects: If you are using custom objects, ensure that they are properly defined in the target system. You may need to create or adjust these objects to match the source data.
  Update Migration Tools: Ensure that you are using the latest version of the migration tools and that they are compatible with both the source and target systems.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using. There may be specific guidelines or known issues that can help resolve the error.
  Error Logs: Check the error logs for more detailed information about the error. This can provide insights into what specifically is causing the issue.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, which can help prevent such errors in the future.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.