How To Fix R11166 - Relationship Between Partner &1 and &2 Already Exists

R11166 - Overview

• Message type: E = Error

• Message class: R11 - Business Partner and BDT

• Message number: 166

• Message text: Relationship Between Partner &1 and &2 Already Exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message R11166 - Relationship Between Partner &1 and &2 Already Exists ?

  The SAP error message R11166, which states "Relationship Between Partner &1 and &2 Already Exists," typically occurs in the context of partner functions in SAP, particularly when dealing with business partner relationships in modules like SAP Customer Relationship Management (CRM) or SAP Supplier Relationship Management (SRM).
  
  Cause:
  This error indicates that there is an attempt to create a relationship between two business partners (denoted as &1 and &2) that already exists in the system. This can happen in various scenarios, such as:
  
  Trying to create a duplicate relationship (e.g., a customer to vendor relationship).
  Importing or uploading data that includes existing relationships.
  Manual entry of relationships that are already defined in the system.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Relationships:
  
  Use transaction codes like BP (Business Partner) to view the existing relationships between the two partners. Navigate to the "Relationships" tab to see if the relationship already exists.
  
  
  
  Modify or Delete Existing Relationships:
  
  If