How To Fix BUP_RELATIONS001 - Changing key fields except for &1 is not permitted

BUP_RELATIONS001 - Overview

• Message type: E = Error

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

• Message number: 001

• Message text: Changing key fields except for &1 is 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.

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 BUP_RELATIONS001 - Changing key fields except for &1 is not permitted ?

  The SAP error message BUP_RELATIONS001 indicates that there is an attempt to change key fields of a business partner (BP) relationship, which is not allowed except for a specific field (denoted as &1 in the message). This error typically arises when you are trying to modify key fields that are integral to the identification of the business partner or its relationships.
  
  Cause:
  
  Key Field Modification: The error occurs when you attempt to change key fields of a business partner relationship that are not permitted to be changed. Key fields are essential for the integrity of the data model in SAP, and changing them can lead to inconsistencies.
  Business Partner Configuration: The configuration of the business partner may restrict changes to certain fields to maintain data integrity.
  Data Consistency: SAP enforces rules to ensure that relationships between business partners remain consistent and valid.
  
  
  Solution:
  
  Identify the Key Field: Check which key field is being referenced as &1