How To Fix CNV_20211_CHECK052 - Temporary duplicates possible due to mapping of companies

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20211_CHECK - Messages for check functions (company conversion)

• Message number: 052

• Message text: Temporary duplicates possible due to mapping of companies

What causes this issue?

<DS:TX.CNV_MBT_TEMP_DUPLICATES>Temporary duplicates</> possible due to
mapping of the companies.
Example: Company A is renamed into B (mapping: A -> B). Company B is
renamed into C (mapping: B -> C). In this case, temporary duplicates may
occur in the database if company A is converted at a point in time when
company B has not yet been converted. If temporary duplicates are likely
to occur, the conversion programs must be generated in a different way.

System Response

Warning

How to fix this error?

No action is required.
Temporary duplicates do not represent a problem to the transformation
solution. However, temporary duplicates may result in a longer
conversion runtime.

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20211_CHECK052 - Temporary duplicates possible due to mapping of companies ?

  The SAP error message CNV_20211_CHECK052 indicates that there are potential temporary duplicates in the mapping of companies during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  
  Cause:
  The error occurs when the system detects that multiple source records may be mapped to the same target company code or entity. This can happen due to:
  
  Duplicate Source Records: If the source data contains duplicate entries for the same company code or entity, the mapping process may not be able to distinguish between them.
  Incorrect Mapping Configuration: The mapping rules defined for the migration may not be set up correctly, leading to multiple source records being mapped to a single target record.
  Data Quality Issues: Poor data quality in the source system, such as inconsistent naming conventions or missing identifiers, can lead to confusion during the