How To Fix /CUM/ORDER036 - CO postings to CU order header (order &1) are not allowed

/CUM/ORDER036 - Overview

• Message type: E = Error

• Message class: /CUM/ORDER -

• Message number: 036

• Message text: CO postings to CU order header (order &1) are not allowed

Self-Explanatory Message

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/CUM/ORDER036 - Details

• The SAP error message /CUM/ORDER036 indicates that there is an issue with making cost object (CO) postings to a Customer Order (CU order) header. This error typically arises when you attempt to post costs directly to the header of a customer order, which is not allowed in the system.
  
  Cause:
  
  Posting Restrictions: In SAP, cost postings are generally allowed only at the item level of a customer order, not at the header level. This is a design feature to ensure that costs are tracked against specific items rather than the overall order.
  Configuration Settings: The system may be configured in such a way that it does not allow postings to the header of customer orders.
  Incorrect Transaction: The transaction or process being used may not be appropriate for posting costs to the order header.
  
  
  Solution:
  
  Post to Item Level: Ensure that you are posting costs to the item level of the customer order instead of the