How To Fix CNV_20800080 - The scenario is N:M for customer numbers

CNV_20800080 - Overview

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 080

• Message text: The scenario is N:M for customer numbers

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. In
addition, there is at least one merge of records.

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_20800080 - Details

• The SAP error message CNV_20800080 typically occurs during data migration or conversion processes, particularly when dealing with customer numbers in a scenario where there is a many-to-many (N:M) relationship. This error indicates that there is an issue with the mapping or conversion of customer numbers, which can arise from various reasons.
  
  Cause:
  
  Data Mapping Issues: The error often arises when the mapping of customer numbers between the source and target systems is not correctly defined, leading to conflicts or duplicates.
  Duplicate Entries: If there are duplicate customer numbers in the source data that do not have a clear mapping to the target system, this can trigger the error.
  Inconsistent Data: Inconsistencies in the data format or structure between the source and target systems can also lead to this error.
  
  Configuration Issues: Incorrect configuration settings in the migration tool or the target system can cause issues with how customer numbers are processed.
  
  
  Solution:
  
  Review Mapping Configuration: Check the