How To Fix KE426 - Billing document &, item & has already been posted to CO-PA

KE426 - Overview

• Message type: E = Error

• Message class: KE -

• Message number: 426

• Message text: Billing document &, item & has already been posted to CO-PA

What causes this issue?

Billing document &V1&, item &V2& has already been posted to CO-PA. The
corresponding CO-PA line item has the document number &V3& (CO-PA
period &V4&).

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?

You cannot transfer billing documents to Profitability Analysis more
than once. This prevents you from accidently posting doubled billing
documents.

Error message extract from SAP system. Copyright SAP SE.

KE426 - Details

• The SAP error message KE426 indicates that a billing document and its associated item have already been posted to CO-PA (Controlling-Profitability Analysis). This error typically occurs when there is an attempt to post the same billing document again, which is not allowed because CO-PA is designed to prevent duplicate postings for the same document.
  
  Cause:
  
  Duplicate Posting Attempt: The most common cause of this error is that the billing document has already been processed and posted to CO-PA, and there is an attempt to post it again.
  Incorrect Configuration: There may be issues with the configuration of the CO-PA settings or the billing document type that could lead to unexpected behavior.
  Data Integrity Issues: There might be inconsistencies in the data or the status of the billing document in the system.
  
  
  Solution:
  
  
  Check Document Status: Verify the status of the billing document in the system. If it has already been posted to CO-PA, you will not