How To Fix PMMO_BASIS042 - Duplicate key in &1 &2

PMMO_BASIS042 - Overview

• Message type: E = Error

• Message class: PMMO_BASIS - Messages for PMMO Basis Objects

• Message number: 042

• Message text: Duplicate key in &1 &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PMMO_BASIS042 - Duplicate key in &1 &2 ?

  The SAP error message PMMO_BASIS042, which indicates a "Duplicate key in &1 &2," typically arises in the context of the SAP Plant Maintenance (PM) module or related areas. This error suggests that there is an attempt to insert or update a record in a database table where a unique key constraint is violated due to the presence of a duplicate entry.
  
  Cause:
  
  Duplicate Entries: The most common cause is that the system is trying to insert a record that already exists in the database table, violating the unique key constraint.
  Data Migration Issues: If data has been migrated from another system or if there have been bulk uploads, duplicates may have been inadvertently created.
  Concurrent Processing: If multiple users or processes are trying to create or update records simultaneously, it may lead to conflicts and duplicates.
  Incorrect Configuration: Sometimes, incorrect configuration or settings in the system can lead to attempts to create duplicate records.
  
  
  Solution:
  
  Identify Duplicates: