How To Fix CNV_20345_CHECK004 - Differences regarding segments detected

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20345_CHECK - Message Class for 20345 Checks

• Message number: 004

• Message text: Differences regarding segments detected

What causes this issue?

Change of segments detected. If profit centers are to be merged, but
they have different segments, then the merge may require additional
steps which are not part of SAP Landscape Transformation. You can solve
this situation by not merging the profit centers. Under certain
conditions a conversion can be done with segment changes. For more in
formation, we recommend that you engage the services of an SAP Landscape
Transformation consultant.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20345_CHECK004 - Differences regarding segments detected ?

  The SAP error message CNV_20345_CHECK004 indicates that there are differences detected in segments during a data migration or conversion process, typically when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error is part of the SAP Conversion and Migration tools, which are used to facilitate the transition from older SAP systems to newer versions or to S/4HANA.
  Cause:
  The error usually arises due to discrepancies in the data structure or content between the source and target systems. Common causes include:
  
  Inconsistent Data Structures: The source and target systems may have different data structures or segment definitions.
  Missing Segments: Certain segments that are expected in the target system may not exist in the source data.
  Data Mapping Issues: There may be issues with how data is mapped from the source to the target, leading to mismatches.
  Configuration Differences: Differences in configuration settings between the source and target systems can lead to discrepancies in expected segments.
  
  Solution:
  To resolve the CNV_20345_CHECK004 error, you can follow these steps:
  
  Review the Error Log: Check the detailed error log to identify which segments are causing the issue. This will provide insight into the specific discrepancies.
  Data Mapping Verification: Ensure that the data mapping between the source and target systems is correctly defined. Adjust the mapping if necessary.
  Check Segment Definitions: Verify that the segment definitions in both the source and target systems are aligned. If there are differences, you may need to adjust the target system's configuration or modify the source data.
  Data Cleansing: Cleanse the data in the source system to ensure that it conforms to the expected structure in the target system. This may involve adding missing segments or correcting data formats.
  Consult Documentation: Refer to SAP documentation or guides related to the specific migration or conversion process you are undertaking. This may provide additional insights or steps to resolve the issue.
  Testing: After making adjustments, re-run the migration process in a test environment to ensure that the issue is resolved before proceeding with the production migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, as it may contain specific instructions or best practices for handling segment discrepancies.
  
  By following these steps and utilizing available resources, you should be able to identify and resolve the cause of the CNV_20345_CHECK004 error.