How To Fix CNV_20200_CHECK085 - There are differences in the customer master data

CNV_20200_CHECK085 - Overview

• Message type: E = Error

• Message class: CNV_20200_CHECK - Messages for check functions (company code merge)

• Message number: 085

• Message text: There are differences in the customer master data

What causes this issue?

There are differences in the customer master data that are not critical
regarding the merge, but can seriously affect business processes.
The system identifies differences in all fields of table KNB1 except
KNB1-AKONT (Reconciliation Account in General Ledger).

System Response

Warning

How to fix this error?

These differences can affect business processes, and must be analyzed.
Note that the system uses the settings from the reference company code.
Choose the <ZK>Details</> pushbutton of each message to view which
master records have differences. The field "not exists" in the listed
table means that there is no entry found for the reference company code.
In this case, you should create an entry to ensure that the system uses
the settings from the reference company code.

Procedure for System Administrators

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_20200_CHECK085 - Details

• The SAP error message CNV_20200_CHECK085 indicates that there are discrepancies in the customer master data during a data migration or conversion process. This error typically arises in the context of SAP S/4HANA migrations or data transfers, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  
  Cause:
  The differences in customer master data can be attributed to several factors, including:
  
  Inconsistent Data: The customer master data in the source system may not match the expected format or structure in the target system.
  Missing Data: Required fields in the customer master data may be missing or incomplete.
  Duplicate Entries: There may be duplicate customer records that violate unique constraints in the target system.
  Data Mapping Issues: Incorrect mapping of fields between the source and target systems can lead to discrepancies.
  Data Validation Rules: The target system may have stricter validation rules that the source data does not comply with.
  
  
  Solution:
  To resolve the CNV_20200_CHECK085 error, you can