How To Fix FKKBIX2030 - 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: 030

• 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&, an unreversed <DS:TX.FKKBIX_CIT>consumption item</> already
exists, 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 with the item being transferred.
The item was transferred nonetheless, since the item was released for
rating by the <DS:DE.CIT_DCFUNCNAME_KK>function module</> entered on
schema &v2&.

System Response

The consumption item was transferred.

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 FKKBIX2030 - Consumption item &1 is a duplicate according to check schema &2 ?

  The SAP error message FKKBIX2030 indicates that there is a duplicate consumption item in the system according to the specified check schema. This error typically occurs in the context of financial accounting, particularly when dealing with consumption items in the context of billing or invoicing.
  Cause:
  The error is triggered when the system detects that the consumption item (identified by &1) has already been recorded in the system according to the rules defined in the check schema (identified by &2). This can happen due to:
  
  Duplicate Entries: The same consumption item has been entered multiple times in the billing document or invoice.
  Incorrect Configuration: The check schema may be configured in a way that does not allow for certain duplicates, even if they are valid in other contexts.
  Data Migration Issues: If data has been migrated from another system, it may have resulted in duplicate entries that are not handled correctly.
  
  Solution:
  To resolve the FKKBIX2030 error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Review the billing document or invoice to identify if the consumption item has been entered more than once.
  If duplicates are found, remove or correct them as necessary.
  
  
  
  Review Check Schema:
  
  Analyze the check schema configuration to understand the rules that are causing the duplication error.
  If the schema is too restrictive, consider adjusting it to allow for valid duplicates if applicable.
  
  
  
  Data Cleanup:
  
  If the issue is due to data migration, perform a cleanup of the data to remove any duplicate entries that should not exist.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on handling this error in your version of SAP.
  
  
  
  Contact Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to check relevant transaction codes such as FB60 (Enter Incoming Invoice) or VF01 (Create Billing Document) to see where the error is occurring.
  SAP Notes: Look for SAP Notes related to FKKBIX2030 for any patches or updates that may address known issues.
  Custom Development: If your organization has custom developments, ensure that they are not interfering with standard processes.
  
  By following these steps, you should be able to identify the cause of the FKKBIX2030 error and implement a solution to resolve it.