How To Fix KE491 - Assignment to an original cost element is not necessary

SAP Error Message - Details

• Message type: E = Error

• Message class: KE -

• Message number: 491

• Message text: Assignment to an original cost element is not necessary

What causes this issue?

You have set the indicator "Quantity billed" for the assignment to the
PA transfer structure. This item therefore does not need to be assigned
to an original cost element, since the quantity billed is transferred
when you settle the sales orders or projects. You only need to make an
assignment to a quantity field in the operating concern.

System Response

You cannot enter an original cost element here.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KE491 - Assignment to an original cost element is not necessary ?

  The SAP error message KE491 ("Assignment to an original cost element is not necessary") typically occurs in the context of controlling (CO) when you are trying to post a transaction that involves cost elements. This error indicates that the system has determined that the assignment of the cost element in question is not required for the operation you are attempting to perform.
  Cause:
  
  Cost Element Configuration: The cost element may be configured in such a way that it does not require an assignment to a particular cost object (like a cost center or internal order).
  Transaction Type: The type of transaction you are trying to post may not require the use of the original cost element.
  Cost Element Type: The cost element might be defined as a statistical cost element, which does not require actual postings.
  Posting Logic: The posting logic in the system may have been set up to bypass certain cost elements under specific conditions.
  
  Solution:
  
  Review Cost Element Configuration: Check the configuration of the cost element in transaction code KA03 (Display Cost Element) to ensure it is set up correctly for the intended use.
  Check Transaction Type: Verify that the transaction type you are using is appropriate for the cost element. If the transaction does not require the cost element, consider using a different one.
  Adjust Posting Logic: If necessary, adjust the posting logic or the configuration in the controlling area to ensure that the cost element is correctly assigned where needed.
  Consult Documentation: Review SAP documentation or consult with your SAP support team to understand the specific requirements for the cost element and the transaction you are trying to post.
  Testing: After making any changes, perform a test transaction to ensure that the error no longer occurs.
  
  Related Information:
  
  Cost Element Types: Understand the different types of cost elements (primary vs. secondary) and their purposes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as KSB1 (Cost Centers: Actual Line Items) and KOB1 (Orders: Actual Line Items) to analyze postings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Exits and BAdIs: If custom logic is involved, review any user exits or BAdIs that may affect the posting behavior.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or a consultant who specializes in SAP Controlling for further assistance.