How To Fix 8B166 - Duplicated partner

8B166 - Overview

• Message type: E = Error

• Message class: 8B - Localization (Brazil)

• Message number: 166

• Message text: Duplicated partner

What causes this issue?

The same partner function has been assigned to two partners.

System Response

It is not possible to continue.

How to fix this error?

Please press the cancel button and/or choose a partner function that
has not yet been assigned to a partner on this screen.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 8B166 - Duplicated partner ?

  The SAP error message 8B166 - Duplicated partner typically occurs in the context of partner functions in SAP, particularly when dealing with business partner data. This error indicates that there is an attempt to create or assign a partner that already exists in the system, leading to a duplication issue.
  
  Cause:
  
  Duplicate Entry: The most common cause is that the partner (such as a vendor, customer, or other business partner) you are trying to create or assign already exists in the system.
  Incorrect Data Entry: There may be a mistake in the data entry, such as entering the same partner number or details that match an existing partner.
  
  Configuration Issues: There might be issues with the configuration of partner functions or the way partners are managed in the system.
  
  
  Solution:
  
  
  Check Existing Partners: Before creating a new partner, check the existing partners in the system to ensure that the partner you are trying to create does