How To Fix UJ0003 - Field &1 already exists; insert not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: UJ0 -

• Message number: 003

• Message text: Field &1 already exists; insert not possible

What causes this issue?

Field &v1& already exist.

System Response

Insert with field &v1& is not possible.

How to fix this error?

If you want to change value for field &v1&, please cancel current screen
and press button 'Change'.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UJ0003 - Field &1 already exists; insert not possible ?

  The SAP error message UJ0003, which states "Field &1 already exists; insert not possible," typically occurs in the context of data management within SAP systems, particularly when dealing with data records in a database or during data uploads. This error indicates that there is an attempt to insert a record or field that already exists in the database, leading to a conflict.
  Cause:
  
  
  Duplicate Entry: The most common cause of this error is that the system is trying to insert a record that already exists in the database. This could be due to:
  
  A duplicate key or unique constraint violation.
  An attempt to upload data that has already been processed or exists in the target table.
  
  
  
  Data Upload Issues: If you are using data upload tools (like LSMW, BAPIs, or BDC), the source data may contain duplicates.
  
  
  Incorrect Logic in Custom Programs: If there are custom programs or scripts that handle data insertion, they may not be checking for existing records before attempting to insert new ones.
  
  
  Solution:
  
  
  Check for Duplicates: Before attempting to insert data, check the target table for existing records that match the key fields of the data you are trying to insert. You can do this using SQL queries or transaction codes like SE16N.
  
  
  Modify Data Upload: If you are using a data upload tool, ensure that the source data does not contain duplicates. You may need to clean or preprocess the data before the upload.
  
  
  Adjust Custom Logic: If the error arises from a custom program, review the logic to ensure it checks for existing records before performing an insert operation. You can implement a check using a SELECT statement to see if the record exists.
  
  
  Use Update Instead of Insert: If the intention is to update existing records, consider using an UPDATE statement instead of an INSERT. This will modify the existing record rather than trying to create a new one.
  
  
  Error Handling: Implement error handling in your data processing logic to gracefully manage situations where duplicates are encountered.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE16N (Data Browser), or SE80 (Object Navigator) to investigate the structure of the database tables and the data being processed.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation related to data management and error handling for best practices.
  
  By following these steps, you should be able to identify the cause of the UJ0003 error and implement a solution to resolve it.