How To Fix CNV20200136 - &1 not yet known! Conversion rule for &2=&3 not applicable!

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 136

• Message text: &1 not yet known! Conversion rule for &2=&3 not applicable!

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200136 - &1 not yet known! Conversion rule for &2=&3 not applicable! ?

  The SAP error message CNV20200136 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a specific conversion rule for a particular field or data element is not applicable or has not been defined in the system.
  Cause:
  
  Missing Conversion Rule: The conversion rule for the specified field (&2) and value (&3) is not defined in the migration settings.
  Data Incompatibility: The data being migrated may not meet the expected format or criteria defined in the conversion rules.
  Configuration Issues: There may be issues with the configuration of the migration project or the mapping of fields between the source and target systems.
  
  Solution:
  
  
  Check Conversion Rules:
  
  Review the conversion rules defined in the migration project. Ensure that there is a valid rule for the specified field and value.
  If necessary, create or modify the conversion rule to accommodate the data being migrated.
  
  
  
  Data Validation:
  
  Validate the data in the source system to ensure it conforms to the expected formats and values. Correct any discrepancies before attempting the migration again.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration project you are working on. This may provide insights into required conversion rules and how to define them.
  
  
  
  Use Migration Cockpit:
  
  If you are using the SAP S/4HANA Migration Cockpit, ensure that you have correctly mapped the fields and that all necessary configurations are in place.
  
  
  
  Error Logs:
  
  Check the error logs for more detailed information about the error. This may provide additional context that can help in troubleshooting.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error. SAP frequently releases updates and fixes that may resolve known issues.
  
  
  
  Consult SAP Support:
  
  If the issue persists, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific context of your migration project.
  
  
  
  Related Information:
  
  Migration Projects: Understanding the overall structure and requirements of your migration project can help in identifying where the issue lies.
  Data Mapping: Familiarize yourself with the data mapping process between the source and target systems, as this is crucial for successful data migration.
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.