How To Fix BUPA_MASS018 - Key change for whole &1: &3 old and &4 new lines

BUPA_MASS018 - Overview

• Message type: E = Error

• Message class: BUPA_MASS - Mass Read Modules for Communcation Data

• Message number: 018

• Message text: Key change for whole &1: &3 old and &4 new lines

Self-Explanatory Message

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BUPA_MASS018 - Details

• The SAP error message BUPA_MASS018 typically occurs during mass changes to business partner data in the SAP system. This error indicates that there is a key change being attempted for a business partner, but the system has detected that the change would affect multiple entries (or lines) in the database, which is not allowed in certain contexts.
  
  Cause:
  The error message BUPA_MASS018 is triggered when:
  
  You are trying to change a key field (like the business partner number) for multiple entries at once.
  The system identifies that the change would result in inconsistencies or conflicts in the data.
  The operation is not supported for the specific key fields being modified.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review the Change Request: Check the mass change request you are trying to execute. Ensure that you are not attempting to change key fields for multiple business partners simultaneously.
  
  
  Limit the Scope of Changes: If you need to change key