How To Fix WE009 - An entry with the same key already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: WE - Messages for EAN Customizing and for EAN management in MM_BD

• Message number: 009

• Message text: An entry with the same key already exists

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 WE009 - An entry with the same key already exists ?

  SAP Error Message:
  WE009 - An entry with the same key already exists
  
  
  Cause:
  The error message WE009 occurs when SAP tries to create or insert an entry (such as a segment, partner profile, or IDoc control record) with a key that already exists in the database or internal table. This typically happens during IDoc processing or EDI message handling when duplicate keys are encountered.
  Common scenarios include:
  
  Duplicate segment keys in an IDoc.
  Duplicate partner profiles or partner functions.
  Attempting to create an entry in a table or internal structure where the key is supposed to be unique, but the key already exists.
  During inbound or outbound processing, the system tries to create an IDoc or segment with a key that is already present.
  
  
  
  Solution:
  To resolve the WE009 error, consider the following steps:
  
  
  Check for Duplicate Entries:
  
  Review the IDoc or EDI message data to identify duplicate segments or keys.
  Use transaction codes like WE02 or WE05 to display IDocs and