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

CNV_20200_CHECK052 - Overview

• 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.

CNV_20200_CHECK052 - Details

• 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