How To Fix CNVA_20400_CHECK066 - A mix of explicit and implicit merges into a secondary cost element

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20400_CHECK - Messages for contorlling areas checks

• Message number: 066

• Message text: A mix of explicit and implicit merges into a secondary cost element

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNVA_20400_CHECK066 - A mix of explicit and implicit merges into a secondary cost element ?

  The SAP error message CNVA_20400_CHECK066 indicates that there is a mix of explicit and implicit merges into a secondary cost element during the processing of cost allocations or assessments in the Controlling (CO) module. This error typically arises when there is an inconsistency in how cost elements are being handled in the allocation process.
  Cause:
  
  Explicit Merges: This occurs when cost elements are manually specified in the allocation or assessment process.
  Implicit Merges: This happens when cost elements are automatically determined by the system based on predefined rules or configurations.
  Mixing Both Types: The error arises when both explicit and implicit merges are attempted for the same secondary cost element, which is not allowed in SAP. This can lead to confusion in how costs are allocated and reported.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Allocation/Assessment Configuration:
  
  Check the configuration settings for the allocation or assessment cycle in the Controlling module. Ensure that you are not mixing explicit and implicit merges for the same cost element.
  
  
  
  Adjust Cost Element Usage:
  
  If you are using a secondary cost element in your allocation, decide whether to use it explicitly or implicitly, but not both. Modify your allocation or assessment cycle to ensure consistency.
  
  
  
  Check Master Data:
  
  Review the master data for the cost elements involved. Ensure that the cost elements are correctly defined and that their usage aligns with your allocation strategy.
  
  
  
  Test in a Development Environment:
  
  If possible, replicate the issue in a development or test environment. This can help you identify the specific configuration or data that is causing the error without impacting production data.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to cost element accounting and allocation processes for additional guidance on best practices and configuration settings.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration.
  
  
  
  Related Information:
  
  Cost Element Accounting: Understanding how cost elements work in SAP CO is crucial. Secondary cost elements are used for internal allocations and should be managed carefully to avoid conflicts.
  Allocation Cycles: Familiarize yourself with the different types of allocation cycles (e.g., assessment, distribution) and how they handle cost elements.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates and patches that could resolve underlying issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to prevent it from occurring in the future.