How To Fix /SAPCE/FK_C1004 - Entry with key &1 already exists - duplicate key error

/SAPCE/FK_C1004 - Overview

• Message type: E = Error

• Message class: /SAPCE/FK_C1 -

• Message number: 004

• Message text: Entry with key &1 already exists - duplicate key error

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 /SAPCE/FK_C1004 - Entry with key &1 already exists - duplicate key error ?

  The SAP error message /SAPCE/FK_C1004 Entry with key &1 already exists - duplicate key error typically indicates that there is an attempt to create or insert a record in a database table where a record with the same key already exists. This is a common issue in database management systems, including SAP, where unique constraints are enforced on certain fields.
  
  Cause:
  
  
  Duplicate Entry: The most straightforward cause is that the system is trying to insert a record with a key that already exists in the database. This could happen due to:
  
  Manual data entry errors.
  Data import processes that do not check for existing records.
  Incorrect logic in custom programs or enhancements that lead to duplicate entries.
  
  
  
  Data Migration Issues: If data is being migrated from another system or from legacy data, there may be duplicates that were not identified before the migration.
  
  
  Concurrency Issues: In a multi-user environment, two users might attempt to create the same