How To Fix KN421 - The orders do not belong to the same company code

KN421 - Overview

• Message type: E = Error

• Message class: KN - Reporting for Costing

• Message number: 421

• Message text: The orders do not belong to the same company code

What causes this issue?

You are attempting to access a report for a production campaign to
which manufacturing orders are assigned. However, these orders do not
all belong to the company code to which the campaign is assigned. It is
therefore not possible to execute the report.

How to fix this error?

Check the orders assigned to the production campaign. If you want to
use the cost reports of the information system of Product Cost
Controlling, all manufacturing orders assigned to the campaign must be
in the company code to which the campaign itself is assigned.

Error message extract from SAP system. Copyright SAP SE.

KN421 - Details

• The SAP error message KN421 indicates that the orders you are trying to process do not belong to the same company code. This typically occurs in scenarios where you are attempting to perform a transaction that involves multiple orders, such as creating a billing document or processing a delivery, and the orders are associated with different company codes.
  
  Cause:
  
  Different Company Codes: The primary cause of this error is that the sales orders or delivery documents you are trying to process are linked to different company codes. In SAP, each company code represents a separate legal entity, and transactions involving multiple company codes are not allowed in certain processes.
  Incorrect Order Selection: You may have inadvertently selected orders from different company codes when trying to execute a transaction.
  
  Configuration Issues: There may be configuration settings in your SAP system that restrict transactions across different company codes.
  
  
  Solution:
  
  Check Company Codes: Verify the company codes associated with