How To Fix FKKBIX785 - Bus. partner &1 and contract account &2 are not assigned to each other

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 785

• Message text: Bus. partner &1 and contract account &2 are not assigned to each other

Self-Explanatory Message

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• What is the cause and solution for SAP error message FKKBIX785 - Bus. partner &1 and contract account &2 are not assigned to each other ?

  The SAP error message FKKBIX785 indicates that there is a mismatch or lack of assignment between a business partner and a contract account in the SAP system. This error typically occurs in the context of financial transactions, particularly in the areas of contract accounts receivable and payable (FI-CA).
  Cause:
  The error arises when:
  
  The business partner (BP) is not linked to the specified contract account (CA).
  The contract account is not properly configured to recognize the business partner.
  There may be missing or incorrect data in the configuration settings for either the business partner or the contract account.
  The business partner might not be assigned to the correct role that is required for the contract account.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Business Partner Assignment:
  
  Go to the transaction code BP (Business Partner) in SAP.
  Search for the business partner in question and check the roles assigned to it.
  Ensure that the business partner is assigned to the correct role that corresponds to the contract account.
  
  
  
  Check Contract Account Assignment:
  
  Use transaction code FPO1 (Contract Account) to check the details of the contract account.
  Verify that the business partner is assigned to the contract account. You can do this by navigating to the "Business Partner" tab in the contract account details.
  
  
  
  Create or Update Assignment:
  
  If the assignment is missing, you can create it by using the transaction code FPO1 to edit the contract account and add the business partner.
  If the assignment exists but is incorrect, you may need to update it to ensure that the correct business partner is linked to the contract account.
  
  
  
  Check Configuration Settings:
  
  Ensure that the configuration settings for both the business partner and contract account are correct. This may involve checking the customizing settings in SPRO (SAP Project Reference Object) under Financial Accounting (FI) > Accounts Receivable and Payable > Business Partner > Assign Business Partner to Contract Account.
  
  
  
  Data Consistency Check:
  
  Run a data consistency check to ensure that there are no other underlying issues affecting the assignment.
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or reach out to your SAP support team for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  BP: Business Partner Maintenance
  FPO1: Contract Account Maintenance
  SPRO: Customizing Implementation Guide
  
  
  
  Roles and Authorizations:
  
  Ensure that the user has the necessary authorizations to view and edit business partner and contract account assignments.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  
  By following these steps, you should be able to resolve the FKKBIX785 error and ensure that the business partner and contract account are correctly assigned to each other.