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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20200_CHECK085 - There are differences in the customer master data ?

  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 follow these steps:
  
  Review the Error Log: Check the detailed error log provided by the migration tool to identify specific discrepancies in the customer master data.
  Data Comparison: Compare the customer master data in the source and target systems to identify differences. This may involve checking for missing fields, incorrect formats, or duplicate entries.
  Data Cleansing: Cleanse the data in the source system to ensure it meets the requirements of the target system. This may involve:
  
  Filling in missing fields.
  Correcting data formats.
  Removing or merging duplicate entries.
  
  
  Adjust Mapping: If there are mapping issues, adjust the data mapping configuration in the migration tool to ensure that fields are correctly aligned between the source and target systems.
  Validation: Ensure that the customer master data complies with the validation rules of the target system. This may involve checking for mandatory fields and ensuring that data types are correct.
  Re-run Migration: After making the necessary corrections, re-run the migration process to see if the error persists.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into common issues and best practices for data migration.
  Data Quality Tools: Consider using data quality tools to automate the process of identifying and correcting data discrepancies before migration.
  
  By following these steps, you should be able to identify and resolve the issues causing the CNV_20200_CHECK085 error in your SAP system.