How To Fix CNV20200369 - Mapping for &1 &2 corresponds to 1:1 rename

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 369

• Message text: Mapping for &1 &2 corresponds to 1:1 rename

What causes this issue?

Mapping onto &V1& &V2& corresponds to a 1:1-rename.
&V1& &V3& is mapped onto &V1& &V2&.

System Response

Information

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200369 - Mapping for &1 &2 corresponds to 1:1 rename ?

  The SAP error message CNV20200369 indicates that there is a mapping issue during a data migration or conversion process, specifically related to a 1:1 rename mapping. This typically occurs in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transformation tools.
  Cause:
  The error message CNV20200369 suggests that the system is trying to map a source field to a target field, but the mapping is not correctly defined or is ambiguous. The "1:1 rename" indicates that the system expects a straightforward renaming of a field from the source to the target, but it cannot find a valid mapping or there is a conflict in the mapping definitions.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Mapping Definitions: Review the mapping definitions in your migration or conversion project. Ensure that the source and target fields are correctly defined and that there are no conflicts.
  
  
  Verify Data Structure: Ensure that the data structure of the source and target systems is compatible. If there are discrepancies in field names or data types, you may need to adjust the mapping accordingly.
  
  
  Adjust Mapping Rules: If the mapping is indeed a 1:1 rename, ensure that the mapping rules are set up correctly. You may need to explicitly define the mapping in the migration tool.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be additional guidelines or requirements for setting up mappings.
  
  
  Test with Sample Data: If possible, test the mapping with a small set of sample data to identify any issues before running the full migration.
  
  
  Seek Support: If you are unable to resolve the issue, consider reaching out to SAP support or consulting with an SAP expert who has experience with data migration projects.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on mapping issues.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its mapping capabilities, as it may provide tools to help you define and troubleshoot mappings.
  Data Migration Best Practices: Review best practices for data migration in SAP, which can help you avoid common pitfalls and ensure a smoother migration process.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV20200369 error message.