How To Fix CNVA_20400_CHECK028 - A mix of explicit and implicit merges into a cost center was detected.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20400_CHECK - Messages for contorlling areas checks

• Message number: 028

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

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNVA_20400_CHECK028 - A mix of explicit and implicit merges into a cost center was detected. ?

  The SAP error message CNVA_20400_CHECK028 indicates that there is a mix of explicit and implicit merges into a cost center during a transaction or process involving cost center accounting. This typically occurs in the context of cost center planning or when performing a merge operation in SAP.
  Cause:
  
  Explicit Merges: These are merges that are defined directly by the user or through a specific transaction where the user specifies which cost centers should be merged.
  Implicit Merges: These occur automatically based on certain criteria or rules defined in the system, without direct user intervention.
  The error arises when the system detects that both types of merges are being attempted simultaneously for the same cost center, which can lead to inconsistencies in data processing.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Merging Rules: Check the configuration settings for cost center merges in your SAP system. Ensure that you are not mixing explicit and implicit merges for the same cost center.
  
  
  Separate Merging Processes: If you need to perform both explicit and implicit merges, consider separating these processes. Execute explicit merges first, and once they are completed, proceed with implicit merges.
  
  
  Check for Data Consistency: Ensure that the data related to the cost centers involved is consistent and does not have conflicting entries that could lead to this error.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling merges in cost center accounting.
  
  
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration or version.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KS01 (Create Cost Center), KS02 (Change Cost Center), and KS03 (Display Cost Center) to manage cost centers effectively.
  Cost Center Accounting: Understanding the principles of cost center accounting in SAP can help in troubleshooting and preventing such errors in the future.
  SAP Notes: Check for any SAP Notes related to this error message, as they may contain patches or updates that address known issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.