How To Fix CNV_20900080 - The scenario is N:M for vendor numbers

CNV_20900080 - Overview

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 080

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

What causes this issue?

It was found that a vendor has been entered more than once as an "old"
value in your mapping. This is a split scenario. In addition, your
mapping includes at least one merge of vendor records.

System Response

The current package does not support vendor record split.

How to fix this error?

Remove the split scenario, that is, make sure that no vendor record is
included more than once as an old value in your mapping.

Error message extract from SAP system. Copyright SAP SE.

CNV_20900080 - Details

• The SAP error message CNV_20900080 typically occurs during data migration processes, particularly when dealing with vendor numbers in a scenario where there is a many-to-many (N:M) relationship. This error indicates that there are issues with the mapping or transformation of vendor numbers from the source system to the target system.
  
  Cause:
  
  Data Mapping Issues: The error often arises when the mapping of vendor numbers from the source system to the target system is not properly defined, leading to conflicts or duplicates.
  Duplicate Vendor Numbers: If the same vendor number exists in the source system for multiple records and there is no clear mapping to a single vendor in the target system, this can trigger the error.
  Inconsistent Data: Inconsistencies in the vendor data, such as different formats or missing information, can also lead to this error.
  
  Configuration Issues: Incorrect configuration in the data migration tool or settings related to vendor number handling can cause this