How To Fix COOS026 - Order &1 is part of a split hierarchy

COOS026 - Overview

• Message type: E = Error

• Message class: COOS - Order Split

• Message number: 026

• Message text: Order &1 is part of a split hierarchy

What causes this issue?

You want to use an order as a copy template that is part of a split
hierarchy. This means that this order has been split or was generated
by an order split. However, you cannot use such orders as copy
templates.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

COOS026 - Details

• The SAP error message COOS026 indicates that the order you are trying to process is part of a split hierarchy. This typically occurs in the context of controlling and production order management, particularly when dealing with production orders that have been split into multiple components or sub-orders.
  
  Cause:
  The error arises when you attempt to perform an operation (such as confirmation, settlement, or deletion) on a production order that is part of a split hierarchy. A split hierarchy occurs when a production order is divided into multiple sub-orders for various reasons, such as resource constraints, production scheduling, or material availability. The system prevents certain actions on these orders to maintain data integrity and ensure that all related orders are processed correctly.
  
  Solution:
  To resolve the COOS026 error, you can take the following steps:
  
  
  Check the Order Hierarchy: Use transaction codes like CO03 (Display Production Order) to view the details of the order and its hierarchy.