How To Fix CNV_12000057 - No mapping values specified for object

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_12000 - Messages for shorttext and description conversion

• Message number: 057

• Message text: No mapping values specified for object

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_12000057 - No mapping values specified for object ?

  The SAP error message CNV_12000057: No mapping values specified for object typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to find the necessary mapping values for a specific object in the migration process.
  Cause:
  
  
  Missing Mapping Configuration: The most common cause is that the mapping configuration for the object in question has not been defined or is incomplete. This can happen if the migration template or mapping settings were not properly set up before the migration process was initiated.
  
  
  Incorrect Object Type: The object type being processed may not have a corresponding mapping defined in the migration settings.
  
  
  Data Source Issues: If the source data does not contain the expected values or if there are discrepancies in the data format, the mapping may fail.
  
  
  Version Compatibility: Sometimes, the error can arise due to compatibility issues between the source and target systems, especially if there are version differences in the data structures.
  
  
  Solution:
  
  
  Check Mapping Configuration:
  
  Go to the migration cockpit or the relevant transaction where the mapping is defined.
  Ensure that all necessary mapping values for the object are specified. This includes checking that the source and target fields are correctly mapped.
  
  
  
  Review Migration Template:
  
  If you are using a migration template, ensure that it is complete and that all required fields are filled out.
  Verify that the template corresponds to the correct object type and version.
  
  
  
  Validate Source Data:
  
  Check the source data for completeness and correctness. Ensure that all required fields are populated and that the data types match the expected formats.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using. There may be additional configuration steps or prerequisites that need to be addressed.
  
  
  
  Test with Sample Data:
  
  If possible, run a test migration with a small set of sample data to identify if the issue persists. This can help isolate the problem.
  
  
  
  Seek Support:
  
  If the issue cannot be resolved, consider reaching out to SAP support or consulting with an SAP expert who can provide guidance based on the specific context of your migration.
  
  
  
  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, which may provide insights into common issues and their resolutions.
  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 and resolve the cause of the CNV_12000057 error in your SAP environment.