How To Fix CNVA_20400_CHECK032 - A mix of explicit and implicit merges into a activity type was detected.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20400_CHECK - Messages for contorlling areas checks

• Message number: 032

• Message text: A mix of explicit and implicit merges into a activity type was detected.

A mix of explicit and implicit merges into a activity type was detected.
This happens when activity types will be merged, but the mapping does
only contain a part of the source activity types. To avoid unwanted
merges you have to specify all source values of the given target
activity type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNVA_20400_CHECK032 - A mix of explicit and implicit merges into a activity type was detected. ?

  The SAP error message CNVA_20400_CHECK032 indicates that there is a mix of explicit and implicit merges into an activity type in the context of SAP's data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  This error typically arises when there are conflicting definitions or configurations for merging data into a specific activity type. Specifically, it can occur when:
  
  Explicit merges are defined for certain data records, meaning that specific rules or mappings are set to combine data from different sources.
  Implicit merges are also being applied, which are automatic or default merging rules that the system applies without explicit instructions.
  
  The conflict between these two types of merges can lead to ambiguity in how the data should be processed, resulting in the error message.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Merging Rules: Check the configuration of the merging rules for the activity type in question. Ensure that you are not mixing explicit and implicit merges. Decide on a single approach to avoid conflicts.
  
  
  Adjust Data Mapping: If you have defined explicit merges, ensure that all relevant data mappings are consistent and do not overlap with implicit merges. You may need to modify or remove some mappings.
  
  
  Check Data Sources: Verify the data sources being used for the migration. Ensure that the data being merged does not have conflicting definitions or formats that could lead to ambiguity.
  
  
  Consult Documentation: Refer to SAP documentation or guides related to the specific migration or conversion process you are using. There may be specific recommendations or best practices for handling merges.
  
  
  Testing: After making adjustments, perform a test run of the migration process to ensure that the error does not reoccur.
  
  
  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 configuration and requirements.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, as it may contain specific instructions on handling merges and data mapping.
  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 identify the root cause of the CNVA_20400_CHECK032 error and implement a solution to resolve it.