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

CNVA_20400_CHECK066 - Overview

• 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.

CNVA_20400_CHECK066 - Details

• 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