How To Fix FKKBIX2007 - Item for source trans. &1 is a duplicate according to check schema &2

FKKBIX2007 - Overview

• Message type: E = Error

• Message class: FKKBIX2 - Billing in Contract Accounts Receivable and Payable

• Message number: 007

• Message text: Item for source trans. &1 is a duplicate according to check schema &2

What causes this issue?

For the item being transferred of business partner &v3& with source
transaction &v1&, an unreversed <DS:TX.FKKBIX_BIT>billable item</>
already exists, which, according to the <DS:DE.BIT_DCFIELD_KK>comparison
fields</> entered in <DS:DE.BIT_DCSCHEMA_KK>check schema</> &v2& for the
duplicate check, is identical with the item being transferred.

System Response

The treatment of the item being transferred is based on the
<DS:DE.BIT_DCPROCRULE_KK>processing rule</> entered in schema &v2&.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKKBIX2007 - Details

• The SAP error message FKKBIX2007 indicates that there is a duplicate item in the context of a source transaction, which is being checked against a specified check schema. This error typically arises during the processing of financial documents, particularly in the context of invoice verification or payment processing.
  
  Cause:
  The error occurs when the system detects that an item being processed (identified by the source transaction number) is already present in the document or transaction being validated. This can happen due to:
  
  Duplicate Entries: The same invoice or payment has been entered multiple times.
  Incorrect Data Entry: Manual entry errors leading to the same transaction being recorded more than once.
  
  Configuration Issues: The check schema may be set up in a way that does not allow for certain duplicates, even if they are valid in other contexts.
  
  
  Solution:
  To resolve the FKKBIX2007 error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Review the transaction or document in question