How To Fix SAPLWOSL021 - Selected line does not exist in internal table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPLWOSL - Store WB: IAC Consumer Order, Items

• Message number: 021

• Message text: Selected line does not exist in internal table &1

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 SAPLWOSL021 - Selected line does not exist in internal table &1 ?

  The SAP error message SAPLWOSL021 ("Selected line does not exist in internal table &1") typically occurs when a user attempts to access or manipulate a line in an internal table that is no longer available or does not exist. This can happen in various scenarios, such as when working with lists, reports, or transactions that involve internal tables.
  Causes:
  
  Data Deletion: The line that the user is trying to access may have been deleted or not populated correctly in the internal table.
  Incorrect Indexing: The index used to access the internal table may be out of range or incorrect, leading to an attempt to access a non-existent line.
  Concurrency Issues: If multiple users or processes are modifying the same data, one user's changes may affect the availability of the data for another user.
  Program Logic Errors: There may be a bug in the ABAP code that leads to incorrect handling of the internal table.
  
  Solutions:
  
  Check Data Availability: Ensure that the data you are trying to access is indeed present in the internal table. You can do this by debugging the program or checking the relevant data source.
  Review Indexing Logic: Verify that the index being used to access the internal table is valid. Ensure that it falls within the bounds of the table's size.
  Debugging: Use the ABAP debugger to step through the code and identify where the error occurs. Check the state of the internal table at the point of failure.
  Error Handling: Implement error handling in the code to gracefully manage situations where the line does not exist. This can include checks before accessing the table.
  Consult Documentation: Review the documentation for the specific transaction or report to understand the expected behavior and any prerequisites for the data being accessed.
  
  Related Information:
  
  ABAP Development: Understanding how internal tables work in ABAP is crucial. Familiarize yourself with operations like READ TABLE, LOOP AT, and how to handle exceptions.
  SAP Notes: Check SAP Notes for any known issues related to the specific transaction or program you are working with. There may be patches or updates that address this error.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed. Other users may have encountered the same error and found solutions.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP technical team or consult SAP support for further assistance.