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 transaction logs or the error message details.
  Use transaction code MM03 to display the material master data for both materials and check their process categories. 
  
  
  
  Align Process Categories:
  
  If the process categories are indeed different, you will need to align them. This may involve changing the configuration of one or both materials to ensure they have the same process category.
  If necessary, consult with your SAP configuration team to determine the appropriate process category for each material based on your business requirements.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the Material Ledger and ensure that the settings for the materials are consistent with your business processes. This can be done in the SPRO transaction under the Material Ledger settings.
  
  
  
  Re-attempt the Transaction:
  
  After making the necessary adjustments, re-attempt the transaction that caused the error to see if it resolves the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  MM03 - Display Material Master
  CKMLCP - Material Ledger Closing
  CKM3N - Display Material Ledger Document
  
  
  
  Documentation: 
  
  Review SAP Help documentation related to Material Ledger and process categories for more detailed information on how they work and how to configure them.
  
  
  
  SAP Notes: 
  
  Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling process category mismatches.
  
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.