How To Fix FMCA_PSOB023 - Business partner &1 and contract account category &2 already assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: FMCA_PSOB - Contract Object

• Message number: 023

• Message text: Business partner &1 and contract account category &2 already assigned

What causes this issue?

You want to create a new partner relationship for a contract object,
with business partner &V1& and contract object category &V2&.
This is not possible because this partner relationship already exists.

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?

If you want to change the existing data, you must choose the <LS>Change
</> function.

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 FMCA_PSOB023 - Business partner &1 and contract account category &2 already assigned ?

  The SAP error message FMCA_PSOB023 indicates that a business partner (BP) is already assigned to a contract account category in the system. This typically occurs in the context of financial accounting or contract management within SAP, where a business partner is linked to a specific contract account.
  Cause:
  
  Duplicate Assignment: The error usually arises when there is an attempt to assign a business partner to a contract account category that is already linked to that business partner.
  Data Integrity Issues: There may be inconsistencies or errors in the data that lead to the system recognizing the assignment as a duplicate.
  Configuration Issues: Incorrect configuration settings in the system may lead to this error, especially if the business partner and contract account categories are not set up correctly.
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Navigate to the relevant transaction in SAP (e.g., transaction code BP or other related transactions) and check the existing assignments for the business partner and contract account category.
  Ensure that the business partner is not already assigned to the contract account category you are trying to use.
  
  
  
  Remove Duplicate Assignment:
  
  If you find that the business partner is already assigned, you may need to remove the existing assignment before making a new one.
  Use the appropriate transaction to delete or modify the assignment.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to business partners and contract accounts in the SAP system.
  Ensure that the settings align with your business processes and that there are no conflicting rules.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on managing business partner assignments and contract accounts.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as BP (Business Partner), FSP0 (Contract Account), and others that may be involved in managing business partner assignments.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that can resolve the issue.
  User Roles and Authorizations: Ensure that the user attempting to make the assignment has the necessary authorizations to perform the action.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.