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

RFM_PSST_MSG009 - Overview

• 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

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 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