How To Fix /SCMUI/UIAPOMD645 - Key &1 &2 &3 &4 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMUI/UIAPOMD -

• Message number: 645

• Message text: Key &1 &2 &3 &4 already exists

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 /SCMUI/UIAPOMD645 - Key &1 &2 &3 &4 already exists ?

  The SAP error message /SCMUI/UIAPOMD645 Key &1 &2 &3 &4 already exists typically indicates that there is an attempt to create or insert a record in the system that already exists with the same key values. This error is common in scenarios where unique constraints are enforced on database tables, and it can occur in various modules, particularly in Supply Chain Management (SCM) or Advanced Planning and Optimization (APO).
  Cause:
  
  Duplicate Entry: The most common cause is that the system is trying to create a new entry with a key that already exists in the database.
  Data Migration Issues: If data is being migrated or uploaded from another system, there may be duplicates in the source data.
  Concurrency Issues: Multiple users or processes may be trying to create the same record simultaneously.
  Incorrect Logic in Custom Code: If there are custom enhancements or modifications, they may not be handling the uniqueness checks properly.
  
  Solution:
  
  Check for Existing Records: Before attempting to create a new record, check if a record with the same key already exists in the database. You can do this by querying the relevant table.
  Modify the Key: If the record already exists and you need to create a new one, consider modifying the key values to ensure uniqueness.
  Data Cleanup: If the error is due to data migration, review the source data for duplicates and clean it up before importing.
  Error Handling in Custom Code: If you have custom code, ensure that it properly checks for existing records before attempting to create new ones.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or process you are working with for any additional guidance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to view or manage the data (e.g., /SCMUI/ for SCM-related transactions).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the error is being triggered.
  User Authorization: Ensure that the user has the necessary authorizations to create or modify records in the relevant tables.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.