How To Fix CNV_20800190 - Target &2: New account group to be assigned for customer &1 with priority

CNV_20800190 - Overview

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 190

• Message text: Target &2: New account group to be assigned for customer &1 with priority

Diagnosis
It was found the you are merging two or more source customer numbers
into one target customer number. However <ZH>New Account Group </>is not
defined for the source customer for which the priority indicator is set.
For example:
Old Customer New Customer Priority Old Account Group
New Account Group
0000000001 00000001000 0001
LFF1
0000000002 00000001000 X 0002

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

Procedure
If you want to change the account group of a customer in the context of
a merge, specify the required value under<ZH> New Account Group
</>column for the source customer for which the priority indicator is
set. If you do not want to change the account group, remove the <ZH>New
Account Group</> value for all souce values that are merged.

Error message extract from SAP system. Copyright SAP SE.

CNV_20800190 - Details

• The SAP error message CNV_20800190 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 an issue with the assignment of a new account group for a customer during the migration process.
  
  Cause:
  The error message suggests that the system is unable to assign a new account group to the specified customer due to one of the following reasons:
  
  Missing Configuration: The target account group may not be properly configured in the system.
  Data Inconsistency: There may be inconsistencies in the data being migrated, such as missing mandatory fields or incorrect data formats.
  Priority Issues: The priority for the account group assignment may not be set correctly, leading to conflicts in the assignment process.
  Mapping Issues: The mapping between the source and target account groups may not be defined correctly in the migration settings.
  
  
  Solution:
  To resolve this error, you can take the