How To Fix UGMD2305 - Duplicate key: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UGMD2 - Master Data Maintenance (SEM: FIN Basis)

• Message number: 305

• Message text: Duplicate key: &1

What causes this issue?

You entered two or more validity intervals that all start at the same
point in time.

System Response

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

How to fix this error?

Change the validity intervals so that there are no longer any that have
the same starting point (starting year/starting period).

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 UGMD2305 - Duplicate key: &1 ?

  The SAP error message UGMD2305, which states "Duplicate key: &1," typically occurs in the context of data processing where a unique key constraint is violated. This error indicates that the system has encountered a duplicate entry for a key that is expected to be unique.
  Cause:
  
  Duplicate Entries: The most common cause is that there are multiple entries in the database or in the data being processed that share the same key value. This could happen during data uploads, migrations, or when creating new records.
  Data Integrity Issues: There may be issues with data integrity, where the same record is being attempted to be inserted or updated multiple times.
  Configuration Errors: Sometimes, configuration settings in the system may lead to attempts to create duplicate records.
  
  Solution:
  
  Identify Duplicates: Check the data source or the database table for existing records that match the key value indicated in the error message. You can use SQL queries or SAP transaction codes (like SE16 or SE11) to inspect the relevant tables.
  Data Cleanup: If duplicates are found, you may need to clean up the data by removing or merging duplicate entries, ensuring that only unique records remain.
  Adjust Data Uploads: If the error occurs during data uploads, ensure that the data being uploaded does not contain duplicates. You may need to implement checks or validations before the upload process.
  Review Configuration: Check the configuration settings related to the data processing or the specific module you are working with to ensure that they are set up correctly to prevent duplicates.
  Error Handling: Implement error handling in your data processing logic to catch and manage duplicate key errors gracefully.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE16 (Data Browser) or SE11 (Data Dictionary) to investigate the relevant tables and data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for the specific module or process you are working with to understand how unique keys are defined and managed.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.