How To Fix CNVA_20400_CHECK054 - A mix of explicit and implicit merges into a business process

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20400_CHECK - Messages for contorlling areas checks

• Message number: 054

• Message text: A mix of explicit and implicit merges into a business process

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNVA_20400_CHECK054 - A mix of explicit and implicit merges into a business process ?

  The SAP error message CNVA_20400_CHECK054 indicates that there is a mix of explicit and implicit merges in a business process. This typically occurs during the process of data migration or transformation, particularly when using SAP's Data Migration tools or during the implementation of SAP S/4HANA.
  Cause:
  
  Explicit Merges: These are merges that are defined by the user, where the user specifies how data from different sources should be combined.
  Implicit Merges: These occur automatically based on the system's logic or rules, without user intervention.
  The error arises when both types of merges are used in the same business process, which can lead to confusion or conflicts in how data is processed and integrated.
  
  Solution:
  To resolve this error, you should:
  
  Review the Business Process: Check the business process configuration to identify where explicit and implicit merges are being used.
  Standardize Merges: Decide whether to use explicit or implicit merges throughout the process. It is generally advisable to stick to one type to avoid conflicts.
  Adjust Data Mapping: If necessary, adjust the data mapping or transformation rules to ensure consistency in how data is merged.
  Test the Changes: After making adjustments, test the business process to ensure that the error no longer occurs and that data is being processed correctly.
  
  Related Information:
  
  Documentation: Refer to SAP's official documentation on data migration and business process configuration for detailed guidelines on handling merges.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error.
  Community Forums: Engage with the SAP community forums or support channels for shared experiences and solutions from other users who may have encountered the same issue.
  
  By following these steps, you should be able to resolve the CNVA_20400_CHECK054 error and ensure a smooth data migration or business process implementation.