How To Fix FKK_EBS129 - Contract account &1 does not have a unique business partner

SAP Error Message - Details

• Message type: E = Error

• Message class: FKK_EBS - Interface between FI-CA and External Billing System

• Message number: 129

• Message text: Contract account &1 does not have a unique business partner

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKK_EBS129 - Contract account &1 does not have a unique business partner ?

  The SAP error message FKK_EBS129 indicates that there is an issue with the contract account in relation to business partners. Specifically, the error states that the contract account does not have a unique business partner assigned to it. This can occur in scenarios involving electronic bank statement processing or when dealing with contract accounts in the SAP Convergent Charging or Contract Accounts Receivable and Payable (FI-CA) modules.
  Cause:
  
  Multiple Business Partners: The contract account is linked to multiple business partners, which creates ambiguity in identifying which business partner should be associated with the account.
  Data Inconsistency: There may be inconsistencies in the master data where the contract account is not properly linked to a single business partner.
  Configuration Issues: Incorrect configuration in the system regarding the relationship between contract accounts and business partners.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Business Partner Assignment:
  
  Go to the transaction code BP (Business Partner) and check the assignment of business partners to the contract account in question.
  Ensure that the contract account is linked to only one business partner.
  
  
  
  Review Contract Account Settings:
  
  Use transaction code FBL5N or FBL1N to review the contract account and see if there are multiple business partners assigned.
  If multiple business partners are found, determine which one should be the primary partner and remove the others.
  
  
  
  Adjust Master Data:
  
  If necessary, adjust the master data for the contract account or the business partners to ensure that there is a unique assignment.
  You may need to consult with your data management team to ensure that the changes are consistent with business processes.
  
  
  
  Check Configuration:
  
  Review the configuration settings in the SAP system related to business partner and contract account relationships. Ensure that the settings align with your business requirements.
  
  
  
  Run Consistency Checks:
  
  Use transaction SWE2 to check for any workflow inconsistencies that might be causing the issue.
  You can also run reports or use transaction SE16N to check the relevant tables for inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to this error message for any specific guidance or patches that may be applicable.
  
  
  
  Related Information:
  
  Transaction Codes: BP (Business Partner), FBL5N (Customer Line Item Display), FBL1N (Vendor Line Item Display), SE16N (Data Browser).
  Tables: You may want to check tables like BUT000 (Business Partner), FKKMA (Contract Account Master Data), and FKKOP (Contract Account Items) for relevant data.
  SAP Notes: Search for SAP Notes related to FKK_EBS129 for any known issues or fixes provided by SAP.
  
  By following these steps, you should be able to identify and resolve the issue causing the FKK_EBS129 error message in your SAP system.