How To Fix FKKBIX2010 - Item for source trans. &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: 010

• 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.
In addition, the check period for the item being transferred has
expired.

System Response

The treatment of the item is in accordance with the setting for the
<DS:DE.BIT_DCOUTDATRULE_KK>processing rule after expiration of the check
period</>.

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 FKKBIX2010 - Item for source trans. &1 is a duplicate according to check schema &2 ?

  The SAP error message FKKBIX2010 indicates that there is a duplicate item in the context of a specific transaction, as determined by the check schema. This error typically occurs during the processing of financial documents, such as invoices or payments, where the system checks for duplicate entries based on predefined criteria.
  Cause:
  The error is triggered when the system identifies that an item being processed (source transaction) is already present in the system according to the rules defined in the check schema. This can happen due to:
  
  Duplicate entries being entered manually.
  Data being imported from external systems that contain duplicates.
  Incorrect configuration of the check schema that does not properly account for unique identifiers.
  
  Solution:
  To resolve the FKKBIX2010 error, you can take the following steps:
  
  
  Identify the Duplicate Entry:
  
  Check the transaction number (&1) mentioned in the error message.
  Use transaction codes like FB03 (Display Document) or FBL1N (Vendor Line Item Display) to find the existing entry that is causing the duplication.
  
  
  
  Review the Check Schema:
  
  Analyze the check schema (&2) to understand the criteria being used to identify duplicates. This can be done in the configuration settings of the Financial Accounting module.
  Ensure that the schema is set up correctly and that it reflects the business rules for identifying duplicates.
  
  
  
  Correct the Data:
  
  If the duplicate entry is valid and should not be removed, consider adjusting the new entry to ensure it does not conflict with existing records.
  If the duplicate entry is erroneous, you may need to delete or correct the existing entry.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for specific guidance on handling this error in your system version.
  
  
  
  Testing:
  
  After making the necessary adjustments, reprocess the transaction to ensure that the error does not occur again.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for document management and reporting, such as FB03, FBL1N, FBL3N, etc.
  Check Schema Configuration: Understanding how to configure and modify check schemas can be crucial. This is typically done in the SPRO configuration settings under Financial Accounting.
  SAP Notes: Check for any SAP Notes related to FKKBIX2010 for additional insights or patches that may address known issues.
  
  If the problem persists after following these steps, it may be beneficial to engage with SAP support for further assistance.