How To Fix CNVA_20290_CHECK198 - There are differences in the customer master records

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20290_CHECK - Message class for company code merge preanalysis

• Message number: 198

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

There are differences in the customer master records apart from the
field "Reconciliation Account in General Ledger", which are not critical
regarding the merge, but can have serious impact to the business
processes. These differences must be analyzed. Note that the system uses
the settings from the reference company code (if an entry exists for the
reference company code).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNVA_20290_CHECK198 - There are differences in the customer master records ?

  The SAP error message CNVA_20290_CHECK198 indicates that there are discrepancies in the customer master records during a data migration or conversion process. This error typically arises when there are inconsistencies between the source and target systems, particularly in the customer master data.
  Cause:
  
  Data Inconsistencies: The customer master records in the source system may have different attributes or values compared to the target system.
  Missing Data: Required fields in the customer master records may be missing or not properly mapped during the migration.
  Data Format Issues: Differences in data formats (e.g., date formats, number formats) can lead to discrepancies.
  Duplicate Records: There may be duplicate customer records in the source system that are not handled correctly during the migration.
  Configuration Differences: Different configurations or settings in the source and target systems can lead to mismatches in the customer data.
  
  Solution:
  
  Data Validation: Review the customer master records in both the source and target systems to identify specific discrepancies. Use transaction codes like SE16 or SE11 to analyze the data.
  Data Mapping: Ensure that the mapping of fields between the source and target systems is correct. Adjust the mapping if necessary to align the data correctly.
  Data Cleansing: Cleanse the data in the source system to resolve inconsistencies, such as correcting formats, removing duplicates, and filling in missing fields.
  Use Migration Tools: Utilize SAP's data migration tools (like SAP Data Services or SAP S/4HANA Migration Cockpit) to facilitate the migration process and handle data transformations.
  Testing: Conduct thorough testing of the migration process in a sandbox or development environment to identify and resolve issues before executing in production.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration process you are using, as they may provide additional insights or solutions.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling customer master data migration.
  Transaction Codes: Familiarize yourself with transaction codes like BP (Business Partner) for managing customer data in newer SAP systems.
  Data Migration Best Practices: Review best practices for data migration in SAP, which often include steps for data profiling, cleansing, and validation.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with an SAP expert who specializes in data migration.