How To Fix CNV_20320_CHECK000 - Implicit activity type merge found

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20320_CHECK - Messages for check functions (Activity Types merge)

• Message number: 000

• Message text: Implicit activity type merge found

What causes this issue?

An <DS:TX.CNV_MBT_IMPLICIT_MERGE>implicit merge</> of activity types was
detected. This occurs for example when two controlling areas are merged,
which contain activity types with the same name.
From a business perspective it needs to be checked if the corresponding
activity types have the same semantic or if they need to be mapped to
avoid a merge.

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

System Response

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_20320_CHECK000 - Implicit activity type merge found ?

  The SAP error message CNV_20320_CHECK000 with the description "Implicit activity type merge found" typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there are implicit merges of activity types that need to be addressed before proceeding with the migration.
  Cause:
  The error is usually caused by the following scenarios:
  
  Duplicate Activity Types: There are multiple activity types defined in the system that are implicitly merged, which can lead to confusion in reporting and data integrity.
  Inconsistent Data: The data being migrated may have inconsistencies or conflicts that result in implicit merges of activity types.
  Configuration Issues: The configuration settings in the source or target system may not align, leading to unexpected merges.
  
  Solution:
  To resolve the CNV_20320_CHECK000 error, you can follow these steps:
  
  
  Identify Duplicate Activity Types:
  
  Check the activity types in the source system to identify any duplicates or similar entries that may be causing the implicit merge.
  Use transaction codes like KP26 (for activity type planning) or KSU5 (for actual activity allocation) to review the activity types.
  
  
  
  Review Migration Data:
  
  Analyze the data being migrated to ensure that there are no conflicting entries for activity types.
  Clean up the data by removing duplicates or consolidating similar activity types.
  
  
  
  Adjust Configuration:
  
  Review the configuration settings in both the source and target systems to ensure they are aligned.
  Make necessary adjustments to the configuration to prevent implicit merges.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration process you are using. There may be specific guidelines or best practices for handling activity types.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test migration to ensure that the error does not reoccur.
  Validate the results to confirm that the activity types are correctly represented in the target system.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific environment and configuration.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, as it may contain specific instructions for handling activity types and related errors.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their experiences and solutions.
  
  By following these steps, you should be able to address the CNV_20320_CHECK000 error and proceed with your data migration successfully.