How To Fix F2079 - Key & & already exists in the structure

F2079 - Overview

• Message type: E = Error

• Message class: F2 - Master Data Maintenance: Customer, Vendor

• Message number: 079

• Message text: Key & & already exists in the structure

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 F2079 - Key & & already exists in the structure ?

  The SAP error message F2079, which states "Key & & already exists in the structure," typically occurs in the context of financial document processing or when working with certain data structures in SAP. This error indicates that there is an attempt to insert or update a record in a data structure (like a table or internal table) where a key that is supposed to be unique already exists.
  
  Cause:
  
  Duplicate Key Entry: The most common cause of this error is that the system is trying to insert a record with a key that already exists in the specified structure. This could happen during data entry, data migration, or when processing financial documents.
  Incorrect Data Handling: If the logic in the program or transaction is not correctly handling existing records, it may lead to attempts to create duplicates.
  
  Configuration Issues: Sometimes, configuration settings in the system may lead to unexpected behavior, causing the system to