How To Fix CNV_NCE_BAS124 - Cannot retrieve subobject mapping values

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 124

• Message text: Cannot retrieve subobject mapping values

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS124 - Cannot retrieve subobject mapping values ?

  The SAP error message CNV_NCE_BAS124 ("Cannot retrieve subobject mapping values") typically occurs in the context of data migration or conversion processes, particularly when using SAP's tools for data transfer or transformation, such as the SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Configuration: The mapping configuration for the subobject may not be set up correctly or is missing entirely.
  Data Inconsistencies: There may be inconsistencies or issues with the source data that prevent the system from retrieving the necessary mapping values.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access the required mapping tables or objects.
  Technical Issues: There could be technical issues with the underlying database or the SAP system itself, such as connectivity problems or corrupted data.
  
  Solution:
  To resolve the CNV_NCE_BAS124 error, you can take the following steps:
  
  
  Check Mapping Configuration:
  
  Verify that the mapping for the subobject is correctly defined in the migration tool. Ensure that all necessary mappings are in place and correctly configured.
  
  
  
  Review Source Data:
  
  Inspect the source data for any inconsistencies or errors that might prevent the mapping from being retrieved. Clean up any problematic records.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the migration has the necessary authorizations to access the mapping tables and perform the required operations.
  
  
  
  Consult Logs:
  
  Check the logs for more detailed error messages or warnings that could provide additional context about the issue. This can help identify the specific cause of the problem.
  
  
  
  Technical Support:
  
  If the issue persists, consider reaching out to SAP support or consulting the SAP Community for assistance. They may have additional insights or solutions based on similar experiences.
  
  
  
  System Checks:
  
  Perform system checks to ensure that there are no underlying technical issues affecting the database or the SAP system.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the migration tool you are using, as it may contain specific guidelines or troubleshooting tips related to mapping issues.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_NCE_BAS124 error in your SAP environment.