How To Fix NI016 - Entry with same key & & & already exists

NI016 - Overview

• Message type: E = Error

• Message class: NI - Document index processing

• Message number: 016

• Message text: Entry with 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.

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 NI016 - Entry with same key & & & already exists ?

  The SAP error message NI016 ("Entry with same key & & & already exists") typically occurs when you are trying to create or update a record in a database table, and the key you are using already exists in that table. This is a common issue in SAP systems, especially when dealing with master data or transactional data entries.
  
  Cause:
  
  Duplicate Key Entry: The most common cause of this error is that you are attempting to insert a new record with a key (like a unique identifier) that already exists in the database.
  Data Migration Issues: If you are migrating data from one system to another, you might inadvertently try to insert records that already exist.
  Concurrency Issues: If multiple users or processes are trying to create or update the same record simultaneously, it can lead to this error.
  Incorrect Logic in Custom Code: If there is custom ABAP code or enhancements that handle data