How To Fix CNV20200366 - Mapping contains implicit merge to &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 366

• Message text: Mapping contains implicit merge to &1 &2

What causes this issue?

The mapping includes an <DS:TX.CNV_MBT_IMPLICIT_MERGE>implicit merge</>
to &V1& &V2&.

System Response

Error.

How to fix this error?

Add a mapping entry for the missing original value &V2&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200366 - Mapping contains implicit merge to &1 &2 ?

  The SAP error message CNV20200366, which states "Mapping contains implicit merge to &1 &2," typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the mapping of data fields, specifically that the mapping is attempting to merge data from two different sources into a single target field without a clear definition of how to handle the merge.
  Cause:
  
  Implicit Merge: The error suggests that the mapping configuration is trying to combine data from two different source fields into one target field without explicitly defining how to handle the merging of these values.
  Data Mapping Issues: There may be inconsistencies or conflicts in the data being mapped, such as different data types or incompatible values.
  Configuration Errors: The mapping configuration may not be set up correctly, leading to ambiguity in how data should be merged.
  
  Solution:
  
  Review Mapping Configuration: Check the mapping configuration in the migration tool. Ensure that each source field is correctly mapped to the target field and that there are no implicit merges occurring.
  Explicit Merge Definition: If merging is necessary, define how the merge should occur. This could involve specifying rules for how to combine values from the two source fields (e.g., concatenation, prioritization of one field over another).
  Data Cleansing: Ensure that the data in the source fields is clean and consistent. This may involve standardizing formats, removing duplicates, or resolving conflicts in the data.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be guidelines or best practices for handling mapping and merging of data.
  Testing: After making changes to the mapping configuration, perform a test migration to ensure that the error is resolved and that data is being migrated correctly.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its features, as it provides tools for mapping and transforming data during migration.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By addressing the mapping configuration and ensuring that data is handled correctly, you should be able to resolve the CNV20200366 error and successfully complete your data migration.