How To Fix CK865 - Co-product & / & is defined more than once in the BOM

CK865 - Overview

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 865

• Message text: Co-product & / & is defined more than once in the BOM

What causes this issue?

Co-product &V1& in plant &V2& has been defined in the BOM as output
material more than once. The distribution of the costs to the
co-products is only possible, however, if they are defined just once as
output material in the BOM.

System Response

Co-product &V1& is only valuated once in the itemization of the cost
estimate.

How to fix this error?

Change the BOM for material &V3& (BOM &V4&).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK865 - Co-product & / & is defined more than once in the BOM ?

  The SAP error message CK865 indicates that there is a problem with the Bill of Materials (BOM) configuration for a co-product. Specifically, it means that the same co-product is defined more than once in the BOM for a particular material. This can lead to confusion in production planning and costing, as SAP expects each co-product to be uniquely defined within a BOM.
  
  Cause:
  
  Duplicate Entries: The most common cause of this error is that the same co-product has been entered multiple times in the BOM for a material.
  Incorrect BOM Configuration: There may be an error in how the BOM was configured, leading to the same co-product being listed more than once.
  Data Migration Issues: If data was migrated from another system or if there were manual entries, duplicates may have been inadvertently created.
  
  
  Solution:
  
  
  Check the BOM: 
  
  Go to the BOM transaction (e.g., CS03) and display the BOM for the material in question.
  Look for the