How To Fix CNV_20200_CHECK052 - Temporary duplicates possible due to mapping of company codes

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20200_CHECK - Messages for check functions (company code merge)

• Message number: 052

• Message text: Temporary duplicates possible due to mapping of company codes

What causes this issue?

<DS:TX.CNV_MBT_TEMP_DUPLICATES>Temporary duplicates</> possible due to
mapping of the company codes.
Example: Company code A is renamed into B (mapping: A -> B). Company
code B is renamed into C (mapping: B -> C). In this case, temporary
duplicates may occur in the database if company code A is converted at a
point in time when company code 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, but they 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_20200_CHECK052 - Temporary duplicates possible due to mapping of company codes ?

  The SAP error message CNV_20200_CHECK052 indicates that there are potential temporary duplicates in the mapping of company codes 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 mapping of company codes in the source system to the target system is not unique or has overlapping entries. This can happen due to:
  
  Duplicate Entries: There are multiple source company codes mapped to the same target company code.
  Incorrect Mapping: The mapping configuration may not be set up correctly, leading to ambiguity in how company codes are assigned.
  Data Integrity Issues: The source data may contain inconsistencies or duplicates that have not been resolved prior to the migration.
  
  Solution:
  To resolve the CNV_20200_CHECK052 error, you can follow these steps:
  
  
  Review Mapping Configuration:
  
  Check the mapping of company codes in the migration tool. Ensure that each source company code is mapped to a unique target company code.
  If there are duplicates, decide how to handle them (e.g., merging, renaming, or creating new mappings).
  
  
  
  Data Cleansing:
  
  Perform data cleansing in the source system to eliminate any duplicate company codes or resolve inconsistencies.
  Ensure that the data adheres to the required format and structure for the migration.
  
  
  
  Testing:
  
  After making changes to the mapping or cleansing the data, run a test migration to verify that the error no longer occurs.
  Monitor the logs for any additional errors or warnings that may arise during the test.
  
  
  
  Consult Documentation:
  
  Refer to SAP's official documentation or notes related to the specific migration tool you are using. There may be additional guidelines or best practices for handling company code mappings.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it provides tools for mapping and transforming data during migration.
  Data Migration Best Practices: Review best practices for data migration, including data validation, mapping strategies, and testing procedures to ensure a smooth transition.
  
  By addressing the mapping issues and ensuring data integrity, you should be able to resolve the CNV_20200_CHECK052 error and proceed with your migration successfully.