How To Fix FKKBIX079 - Cannot determine unique business partner and contract account

FKKBIX079 - Overview

• Message type: E = Error

• Message class: FKKBIX - Conv.Inv.: Billing (Invoice Preprocessing)

• Message number: 079

• Message text: Cannot determine unique business partner and contract account

What causes this issue?

The following data was transferred:
External business partner number,,'&V3&'
Business partner number,,'&V4&'
External contract account number,,'&V1&'
Contract account number,,'&V2&'
The system could not find a unique, valid combination of business
partner and contract account.

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?

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 FKKBIX079 - Cannot determine unique business partner and contract account ?

  The SAP error message FKKBIX079, which states "Cannot determine unique business partner and contract account," typically occurs in the context of financial transactions, particularly when dealing with contract accounts and business partners in the SAP system. This error indicates that the system is unable to uniquely identify a business partner and its associated contract account based on the input provided.
  Causes:
  
  Multiple Entries: There may be multiple business partners or contract accounts that match the criteria provided in the transaction, leading to ambiguity.
  Data Inconsistency: There could be inconsistencies or missing data in the master data records for business partners or contract accounts.
  Incorrect Input: The input parameters (like business partner ID or contract account number) may be incorrect or incomplete.
  
  Configuration Issues: There might be issues with the configuration settings in the SAP system related to business partner and contract account mapping.
  
  Solutions:
  
  Check Input Data: Verify that the business partner ID and contract account number