How To Fix CNVA_20400_CHECK031 - An explicit merge of activity types by a activity type mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20400_CHECK - Messages for contorlling areas checks

• Message number: 031

• Message text: An explicit merge of activity types by a activity type mapping

An explicit merge of activity types by a activity type mapping was
detected.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNVA_20400_CHECK031 - An explicit merge of activity types by a activity type mapping ?

  The SAP error message CNVA_20400_CHECK031 typically occurs during the process of data migration or conversion, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the mapping of activity types, specifically that an explicit merge of activity types is required.
  Cause:
  The error arises when the system detects that there are multiple activity types that need to be merged, but the mapping for these activity types has not been defined explicitly. This can happen in scenarios where:
  
  Inconsistent Activity Types: The source system has multiple activity types that need to be consolidated into a single type in the target system.
  Missing Mapping: The mapping configuration for these activity types is either incomplete or not set up correctly.
  Data Integrity Issues: There may be data integrity issues where the same activity type is represented differently in the source and target systems.
  
  Solution:
  To resolve the CNVA_20400_CHECK031 error, you can follow these steps:
  
  
  Review Activity Type Mapping:
  
  Go to the migration cockpit or the relevant configuration area where activity types are mapped.
  Check the mapping settings for activity types to ensure that all necessary mappings are defined.
  
  
  
  Define Explicit Mappings:
  
  If you find that certain activity types are not mapped, create explicit mappings for these types. This involves specifying how each source activity type should be merged or mapped to the target activity type.
  
  
  
  Consolidate Activity Types:
  
  If there are multiple activity types in the source system that should be merged into a single type in the target system, ensure that you define this merge in the mapping configuration.
  
  
  
  Validate Data:
  
  Ensure that the data in the source system is clean and consistent. Look for any discrepancies in activity type names or codes that might cause confusion during the mapping process.
  
  
  
  Test the Migration:
  
  After making the necessary changes, run a test migration to see if the error persists. Monitor the logs for any additional errors or warnings.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or guides related to the specific migration tool you are using for any additional configuration steps or best practices.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on activity type mapping.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide insights into common issues and their resolutions.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the CNVA_20400_CHECK031 error and successfully complete your data migration or conversion process.