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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCF7603 - A data record (&2) with the same key already exists ?

  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 may be introduced.
  
  
  Solution:
  
  
  Check Existing Records: Before attempting to create or update a record, check the database to see if a record with the same key already exists. You can do this by querying the relevant table.
  
  
  Data Validation: Implement validation checks in your data entry processes to prevent duplicates from being created. This can include:
  
  Adding checks in user interfaces.
  Implementing validation logic in custom programs.
  
  
  
  Data Cleanup: If duplicates are found, you may need to clean up the existing data. This could involve:
  
  Deleting or merging duplicate records.
  Correcting data entry errors.
  
  
  
  Error Handling: If this error occurs in a program or batch job, implement error handling to manage the situation gracefully, such as logging the error and skipping the duplicate entry.
  
  
  Review Custom Code: If the error is occurring in a custom program, review the logic to ensure that it correctly handles existing records and does not attempt to create duplicates.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may want to check specific transaction codes related to the data you are working with (e.g., transaction codes for creating or updating master data).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Database Constraints: Review the database schema to understand the unique constraints that are in place, which can help in diagnosing why the error is occurring.
  
  By following these steps, you should be able to identify the cause of the UCF7603 error and implement a solution to prevent it from occurring in the future.