How To Fix CNV_10940_MSG311 - No old values in CNVRENAME

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10940_MSG - Message Class for Report Variant Scan

• Message number: 311

• Message text: No old values in CNVRENAME

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10940_MSG311 - No old values in CNVRENAME ?

  The SAP error message CNV_10940_MSG311 with the description "No old values in CNVRENAME" 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 old values that are supposed to be mapped or transformed during the migration process.
  Cause:
  
  
  Missing Mapping Entries: The error often arises when there are no corresponding old values defined in the mapping table (CNVRENAME) for the new values being processed. This can happen if the mapping was not set up correctly or if the data being migrated does not have a corresponding entry in the mapping table.
  
  
  Data Inconsistency: If the source data does not match the expected format or values that are defined in the mapping, the system will not be able to find the old values.
  
  
  Configuration Issues: There may be issues with the configuration of the migration project or the specific migration object being used.
  
  
  Solution:
  
  
  Check Mapping Table: Verify the entries in the CNVRENAME table. Ensure that there are appropriate mappings for the old values that correspond to the new values being processed. If necessary, add the missing mappings.
  
  
  Review Migration Settings: Go through the migration settings and ensure that all required configurations are correctly set up. This includes checking the source and target structures and ensuring that they align with the migration requirements.
  
  
  Data Validation: Validate the source data to ensure that it contains the expected values. If there are discrepancies, you may need to clean or transform the data before migration.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration project or tool you are using. There may be specific guidelines or prerequisites that need to be followed.
  
  
  Debugging: If the issue persists, consider enabling debugging or logging to get more detailed information about where the process is failing. This can help identify the specific data or mapping that is causing the issue.
  
  
  SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. They may have additional insights or patches that can help resolve the error.
  
  
  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 or the specific migration tool you are using for best practices and troubleshooting tips.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.