How To Fix RFM_PSST_MSG009 - The "Partner Function" needs to be defined for the "KUNNR_PF" field

SAP Error Message - Details

• Message type: E = Error

• Message class: RFM_PSST_MSG - Message Class for PSST

• Message number: 009

• Message text: The "Partner Function" needs to be defined for the "KUNNR_PF" field

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RFM_PSST_MSG009 - The "Partner Function" needs to be defined for the "KUNNR_PF" field ?

  The SAP error message RFM_PSST_MSG009 indicates that a partner function needs to be defined for the "KUNNR_PF" field, which typically relates to the configuration of partner functions in the context of customer or vendor master data.
  Cause:
  This error usually occurs when:
  
  A partner function is required for a specific transaction or process, but it has not been defined in the system.
  The system is expecting a partner function to be specified for a customer (KUNNR) but it is missing or incorrectly configured.
  The configuration settings for partner functions in the relevant module (like Sales and Distribution, or Materials Management) are incomplete or incorrect.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Partner Function Configuration:
  
  Go to the transaction code SPRO to access the SAP Customizing Implementation Guide.
  Navigate to the relevant area (e.g., Sales and Distribution or Materials Management) where partner functions are defined.
  Ensure that the partner function for the customer (KUNNR) is correctly defined and assigned.
  
  
  
  Define Partner Functions:
  
  If the partner function is not defined, you can create it by going to the appropriate configuration section (e.g., "Define Partner Functions").
  Make sure to assign the correct partner function to the customer master data.
  
  
  
  Check Customer Master Data:
  
  Use transaction code XD02 (for customers) or MK02 (for vendors) to check the master data.
  Ensure that the partner functions are correctly assigned to the customer/vendor in the master data.
  
  
  
  Review Transaction Data:
  
  If the error occurs during a specific transaction, review the transaction data to ensure that all required fields, including partner functions, are filled out correctly.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on partner functions and their configuration.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Partner Functions: These are roles that a business partner can play in a transaction (e.g., sold-to party, ship-to party, payer, etc.).
  Transaction Codes: Familiarize yourself with relevant transaction codes such as XD01 (Create Customer), XD02 (Change Customer), XD03 (Display Customer), and MK01, MK02, MK03 for vendor data.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.