How To Fix CNV_20800011 - Merge to customer number &1 is not supported

CNV_20800011 - Overview

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 011

• Message text: Merge to customer number &1 is not supported

What causes this issue?

It was found that you want to merge at least the customer records &V2&
and &V3& into customer record &V1&.

System Response

Merging customer records is not possible with the current package.

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

Error message extract from SAP system. Copyright SAP SE.

CNV_20800011 - Details

• The SAP error message CNV_20800011 indicates that a merge operation for customer numbers is not supported in the context of a data migration or conversion process. This error typically arises during the execution of a data migration project, particularly when using SAP's Customer Migration Tool or similar tools.
  
  Cause:
  
  
  Unsupported Merge Operation: The error suggests that the system does not support merging the specified customer number (&1) with another customer number. This could be due to various reasons, such as:
  
  The customer number is locked or in use.
  The customer number is part of a configuration that does not allow merging.
  The data structure or relationships associated with the customer number do not permit merging.
  
  
  
  Data Integrity Issues: There may be data integrity constraints that prevent the merging of customer records, such as existing transactions, open orders, or other dependencies.
  
  
  Configuration Settings: The system configuration may not allow for certain types of merges, especially if they involve