How To Fix UCF7603 - A data record (&2) with the same key already exists

UCF7603 - Overview

• Message type: E = Error

• Message class: UCF7 - Messages for Flexible Upload

• Message number: 603

• Message text: A data record (&2) with the same key already exists

What causes this issue?

The current data record &V1& has the same key as data record &V2&,
which has already been uploaded.

System Response

Data record &V1& is ignored.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

UCF7603 - Details

• The SAP error message UCF7603 indicates that there is an attempt to create or update a data record in the system, but a record with the same key already exists. This typically occurs in scenarios where unique constraints are enforced on certain fields in the database, and the system is trying to insert a duplicate entry.
  
  Cause:
  
  
  Duplicate Key Violation: The most common cause is that the data being entered has a key (or combination of keys) that already exists in the database. This could be due to:
  
  Manual data entry errors.
  Data being imported from external sources that contain duplicates.
  Incorrect logic in custom programs or enhancements that lead to duplicate entries.
  
  
  
  Concurrency Issues: If multiple users or processes are trying to create the same record simultaneously, one may succeed while the other fails with this error.
  
  
  Data Migration Issues: During data migration or system upgrades, if the data is not properly cleaned or validated, duplicates