How To Fix CNV_20900197 - Mapping entries not maintained for validation

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 197

• Message text: Mapping entries not maintained for validation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20900197 - Mapping entries not maintained for validation ?

  The SAP error message CNV_20900197: Mapping entries not maintained for validation typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there are missing mapping entries for the validation of data being processed.
  Cause:
  
  
  Missing Mapping Entries: The primary cause of this error is that the required mapping entries for the specific data object or field are not defined in the mapping table. This can happen if the mapping configuration was not completed or if the necessary entries were deleted or not imported correctly.
  
  
  Incorrect Configuration: Sometimes, the configuration settings for the migration or conversion process may not align with the data being processed, leading to validation failures.
  
  
  Data Format Issues: The data being migrated may not conform to the expected format or structure, which can also trigger this error.
  
  
  Solution:
  
  
  Check Mapping Configuration:
  
  Go to the relevant mapping transaction (e.g., transaction code LTMC for Migration Cockpit).
  Verify that all necessary mapping entries are present for the data objects you are trying to migrate.
  If entries are missing, you may need to create or import the correct mapping entries.
  
  
  
  Review Migration Templates:
  
  Ensure that the migration templates you are using are up to date and correctly configured.
  Check if the templates include all necessary fields and mappings.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration or conversion process you are using. This can provide insights into required mappings and configurations.
  
  
  
  Data Validation:
  
  Validate the data being migrated to ensure it meets the expected formats and constraints. Correct any discrepancies in the data.
  
  
  
  Use SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC (for Migration Cockpit) and LTMOM (for Migration Object Modeler) to manage and configure mappings.
  Migration Cockpit: Understand how the SAP S/4HANA Migration Cockpit works, including its mapping capabilities and how to troubleshoot common issues.
  Data Migration Best Practices: Review best practices for data migration in SAP environments to minimize errors and ensure a smooth transition.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_20900197 error message.