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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message COOS026 - Order &1 is part of a split hierarchy ?

  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. Identify the parent order and any related sub-orders.
  
  
  Process the Parent Order: If you need to perform an action on the order, consider processing the parent order instead of the sub-order. Ensure that all necessary operations are completed on the parent order before attempting to process the sub-orders.
  
  
  Review Order Status: Ensure that the status of the parent and sub-orders allows for the action you are trying to perform. For example, if the parent order is still open or in a status that allows processing, you may need to complete or change the status of the parent order first.
  
  
  Consult Documentation: Refer to SAP documentation or your organization's internal guidelines for handling split orders. There may be specific procedures in place for managing these types of orders.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide further assistance based on your specific system configuration and business processes.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CO01 (Create Production Order), CO02 (Change Production Order), and CO03 (Display Production Order).
  Order Types: Understand the different types of production orders and how they can be split, as well as the implications of these splits on your production processes.
  SAP Notes: Check for any SAP Notes related to the COOS026 error for additional insights or patches that may address known issues.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.