How To Fix BUP_RELATIONS028 - Combination relship direction &1 and relship category &2 not permitted

BUP_RELATIONS028 - Overview

• Message type: E = Error

• Message class: BUP_RELATIONS - BPR: Message Class for Relationship Segments

• Message number: 028

• Message text: Combination relship direction &1 and relship category &2 not permitted

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BUP_RELATIONS028 - Combination relship direction &1 and relship category &2 not permitted ?

  The SAP error message BUP_RELATIONS028 indicates that there is an issue with the relationship you are trying to create or manage between business partners (BPs) in the SAP system. Specifically, the error states that the combination of relationship direction and relationship category you are attempting to use is not permitted.
  
  Cause:
  This error typically arises due to one of the following reasons:
  
  Invalid Relationship Direction: The relationship direction you are trying to use (e.g., "A to B" or "B to A") is not allowed for the specified relationship category.
  
  Configuration Issues: The relationship category may not be properly configured in the system to allow the specified direction.
  Business Partner Settings: The business partners involved may not be set up to support the relationship you are trying to establish.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Relationship Configuration:
  
  Go to the configuration settings for business partner relationships in SAP (transaction code BP or through SPRO).
  Navigate