How To Fix /PF1/FIORI_UI105 - Duplicate key error (EntitySet: &1 / &2: &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: /PF1/FIORI_UI -

• Message number: 105

• Message text: Duplicate key error (EntitySet: &1 / &2: &3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PF1/FIORI_UI105 - Duplicate key error (EntitySet: &1 / &2: &3) ?

  The SAP error message /PF1/FIORI_UI105 Duplicate key error (EntitySet: &1 / &2: &3) typically indicates that there is an attempt to create or update an entity in the Fiori application that has a duplicate key. This means that the system is trying to insert or update a record in a database table where a unique constraint is violated due to the presence of a record with the same key.
  Cause:
  
  Duplicate Data Entry: The most common cause is that the data being submitted already exists in the database. This can happen if the user is trying to create a new record with a key that already exists.
  Concurrency Issues: If multiple users are trying to create or update the same record simultaneously, it can lead to a duplicate key error.
  Incorrect Data Mapping: Sometimes, the data being sent to the backend might not be correctly mapped, leading to unexpected key values.
  Data Migration Issues: If data was migrated from another system, there might be duplicates that were not handled properly.
  
  Solution:
  
  Check for Existing Records: Before creating a new record, check if a record with the same key already exists in the database. You can do this by querying the relevant database table.
  Modify the Key: If you are trying to create a new record, ensure that the key is unique. This may involve changing the key value or generating a new unique identifier.
  Handle Concurrency: Implement proper locking mechanisms or use optimistic concurrency control to prevent multiple users from creating or updating the same record at the same time.
  Data Validation: Implement validation checks in the application to ensure that the data being submitted does not violate any unique constraints.
  Review Data Migration: If the error is occurring after a data migration, review the migration process to ensure that duplicates were handled correctly.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SE11 (Data Dictionary) to check the structure of the database tables and their keys.
  Debugging: Use transaction code SE80 or SE37 to debug the OData service or the backend logic that is processing the request.
  Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context about the error.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address known issues related to this error message.
  
  By following these steps, you should be able to identify the cause of the duplicate key error and implement a solution to resolve it.