How To Fix CNV20400026 - For org.unit &, org.unit2 &, new value & a merge & takes place

CNV20400026 - Overview

• Message type: E = Error

• Message class: CNV20400 - Message class CNV20400

• Message number: 026

• Message text: For org.unit &, org.unit2 &, new value & a merge & takes place

What causes this issue?

During the analysis of the mapping table, entries of type A -> C and B
-> C were found. This means that two or more original values will be
merged into the specified new value.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

CNV20400026 - Details

• The SAP error message CNV20400026 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a conflict during the merging of organizational units (org units) in the system. Specifically, it suggests that two organizational units are being merged, but there is an issue with the new value being assigned to the merged unit.
  
  Cause:
  
  Duplicate Organizational Units: The error often arises when there are duplicate entries for organizational units in the source data that are being merged into a single unit.
  Inconsistent Data: The data being migrated may have inconsistencies, such as different attributes or hierarchies for the org units being merged.
  
  Configuration Issues: There may be configuration settings in the target system that do not allow for the merging of certain organizational units due to business rules or constraints.
  
  
  Solution:
  
  Check Source Data: Review the source data for duplicates or