How To Fix CNV_20800078 - The scenario is 1:N split of customer numbers: Not supported

CNV_20800078 - Overview

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 078

• Message text: The scenario is 1:N split of customer numbers: Not supported

What causes this issue?

It was found that a customer record appears more than once as an old
value in your mapping, which corresponds to a split scenario.

System Response

Splitting customer records is not possible with the current package.

How to fix this error?

Remove the split by making sure that every customer records occurs only
once as an old value in the mapping.

Error message extract from SAP system. Copyright SAP SE.

CNV_20800078 - Details

• The SAP error message CNV_20800078 indicates that there is an issue with the 1:N split of customer numbers during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion scenarios.
  
  Cause:
  The error message "The scenario is 1:N split of customer numbers: Not supported" suggests that the system is attempting to split a single customer number into multiple customer numbers, which is not supported in the current configuration or migration scenario. This can occur due to:
  
  Data Model Limitations: The data model may not support splitting a single entity into multiple entities in the way that is being attempted.
  
  Configuration Issues: The migration settings or configuration may not be set up to handle such a split.
  Data Integrity Constraints: There may be constraints in the data that prevent the split from being executed properly.
  
  
  Solution:
  To resolve this