How To Fix FKKBIX2025 - Consumption item &1 is a duplicate according to check schema &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 025

• Message text: Consumption item &1 is a duplicate according to check schema &2

What causes this issue?

For the consumption item being transferred of business partner &v3& with
ID &v1&, there is an additional consumptiion item being transferred,
which, according to the <DS:DE.CIT_DCFIELD_KK>comparison fields</>
entered in <DS:DE.CIT_DCSCHEMA_KK>check schema</> &v2& for the duplicate
check, is identical.

System Response

The treatment of the item being transferred is based on the
<DS:DE.CIT_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.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKBIX2025 - Consumption item &1 is a duplicate according to check schema &2 ?

  The SAP error message FKKBIX2025 indicates that there is a duplicate consumption item in the system according to the specified check schema. This error typically occurs during the processing of consumption items in the context of financial accounting or controlling, particularly when dealing with internal orders, cost centers, or similar objects.
  
  Cause:
  The error is triggered when the system detects that the consumption item (identified by &1) is already present in the system for the specified check schema (&2). This can happen due to:
  
  Duplicate Entries: The same consumption item has been entered multiple times in the same context (e.g., for the same period, order, or project).
  Incorrect Data Entry: Manual data entry errors leading to the same item being recorded more than once.
  
  Configuration Issues: The check schema may be incorrectly configured, leading to false positives in duplicate detection.
  Data Migration Issues: If data has been migrated from another system, duplicates may have been introduced