How To Fix CKMLMV451 - Process categories &1 and &2 do not correspond

SAP Error Message - Details

• Message type: E = Error

• Message class: CKMLMV - Message class for quantity structure tool

• Message number: 451

• Message text: Process categories &1 and &2 do not correspond

What causes this issue?

This error occurs associated with the transactions production,
subcontracting, and stock transfers when the material is set as active.
The system is mistakenly set up such that amounts are calculated on a
multi-level basis in the material ledger as well as being assigned to
an account with an auxiliary allocation object.
However, amounts can be either calculated on a multi-level basis OR
assigned to an account. The following situation may have led to the
error: You assigned subcontracting goods issues or goods receipts
mistakenly to orders, cost centers, cost objects or other cost elements
that were relevant to cost accounting.

System Response

How to fix this error?

Check the account assignment for the plant affected as well as
materials. Assign them to another account that is not relevant to cost
accounting.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CKMLMV451 - Process categories &1 and &2 do not correspond ?

  The SAP error message CKMLMV451 indicates that there is a mismatch between the process categories of two different materials or processes in the context of Material Ledger (ML) and Inventory Management. This error typically arises during the execution of a transaction that involves the Material Ledger, such as during the posting of a goods movement or during the execution of a Material Ledger closing.
  
  Cause:
  The error occurs when the system detects that the process categories of the materials involved do not match. Process categories are used in SAP to define how materials are managed and valued in the system. For example, one material might be set up for standard costing while another is set up for moving average costing, leading to a mismatch.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Process Categories: 
  
  Identify the materials involved in the transaction that triggered the error. You can do this by reviewing the