How To Fix SALV_WD_EXCEPTION401 - Data no longer exists when &OBJECT& &KEY& called

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_WD_EXCEPTION -

• Message number: 401

• Message text: Data no longer exists when &OBJECT& &KEY& called

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_WD_EXCEPTION401 - Data no longer exists when &OBJECT& &KEY& called ?

  The SAP error message SALV_WD_EXCEPTION401 with the description "Data no longer exists when &OBJECT& &KEY& called" typically occurs in the context of SAP Web Dynpro applications, particularly when working with ALV (ABAP List Viewer) or similar data display components. This error indicates that the application is trying to access data that is no longer available in the database or the internal buffer.
  Causes:
  
  Data Deletion: The data that the application is trying to access has been deleted or is no longer available in the database.
  Session Timeout: The user session may have timed out, leading to the loss of data context.
  Incorrect Key: The key being used to access the data may be incorrect or not matching any existing records.
  Buffer Issues: The data might have been removed from the internal buffer due to various reasons, such as a refresh or a change in the underlying data model.
  Concurrency Issues: Another user or process may have modified or deleted the data after it was initially retrieved.
  
  Solutions:
  
  Check Data Existence: Verify that the data you are trying to access still exists in the database. You can do this by running a direct query on the database table.
  Session Management: Ensure that the user session is active and has not timed out. If it has, prompt the user to log in again.
  Validate Keys: Double-check the keys being used to access the data. Ensure they are correct and correspond to existing records.
  Refresh Data: If the data is expected to change frequently, consider implementing a mechanism to refresh the data before accessing it.
  Error Handling: Implement error handling in your Web Dynpro application to gracefully manage situations where data is not found. This could involve displaying a user-friendly message or redirecting the user to a different view.
  Debugging: Use debugging tools to trace the execution of the application and identify where the error is occurring. This can help pinpoint the exact cause of the issue.
  
  Related Information:
  
  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.
  Web Dynpro Documentation: Review the official SAP documentation for Web Dynpro and ALV to understand best practices for data handling and error management.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same problem and can offer insights or solutions.
  
  By following these steps, you should be able to diagnose and resolve the SALV_WD_EXCEPTION401 error in your SAP application.