How To Fix 8B677 - You cannot use partner &1 as a reference; partner functions identical

SAP Error Message - Details

• Message type: E = Error

• Message class: 8B - Localization (Brazil)

• Message number: 677

• Message text: You cannot use partner &1 as a reference; partner functions identical

What causes this issue?

The reference partner (&v1&) has the same partner function (&v3&) as
the new partner (&v2&).

System Response

The system does not copy the partner.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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 8B677 - You cannot use partner &1 as a reference; partner functions identical ?

  The SAP error message 8B677 indicates that there is an issue with partner functions in a business transaction. Specifically, the error states: "You cannot use partner &1 as a reference; partner functions identical." This typically occurs when you are trying to reference a partner (like a vendor, customer, or other business partner) that has the same partner function as another partner in the transaction, which is not allowed.
  Cause:
  
  Duplicate Partner Functions: The error arises when you attempt to assign a partner that has the same partner function as another partner already assigned in the transaction. For example, if you have two partners both designated as "Sold-to Party," the system will not allow you to reference one as a partner for the other.
  Configuration Issues: There may be configuration settings in the partner determination procedure that are causing this conflict.
  Data Entry Errors: Incorrect data entry or selection of partners during transaction processing can lead to this error.
  
  Solution:
  
  Check Partner Functions: Review the partners assigned to the transaction. Ensure that each partner has a unique function. If two partners are assigned the same function, you will need to modify one of them.
  Modify Partner Assignment: If you find that the same partner function is being used, you can either:
  
  Change the partner function of one of the partners.
  Remove one of the partners from the transaction if it is not necessary.
  
  
  Review Configuration: If this issue persists, check the configuration settings for partner determination in the relevant module (e.g., Sales and Distribution, Materials Management). Ensure that the partner determination procedure is set up correctly and that it allows for the intended partner assignments.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on partner functions and their configurations.
  
  Related Information:
  
  Transaction Codes: Depending on the module you are working in, you may need to use specific transaction codes to view or modify partner assignments (e.g., VD02 for changing customer master data, ME22N for changing purchase orders).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, there may be specific fixes or updates provided by SAP.
  Testing: After making changes, test the transaction again to ensure that the error has been resolved.
  
  If you continue to experience issues, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the relevant module.