How To Fix MW447 - Program error: list unable to be scrolled internally

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 447

• Message text: Program error: list unable to be scrolled internally

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 MW447 - Program error: list unable to be scrolled internally ?

  The SAP error message MW447, which states "Program error: list unable to be scrolled internally," typically indicates an issue with the internal handling of a list display in the SAP system. This error can occur in various scenarios, often related to the display of reports or lists in SAP GUI.
  Causes:
  
  Memory Issues: The error may arise due to insufficient memory allocation for the SAP GUI or the application server.
  Program Bugs: There may be a bug in the ABAP program that is generating the list, causing it to fail when trying to scroll.
  Data Volume: If the list being generated contains a large volume of data, it may exceed the limits of what can be processed or displayed.
  System Configuration: Incorrect configuration settings in the SAP system or the user’s profile may lead to this error.
  SAP GUI Version: Compatibility issues between the SAP GUI version and the backend system can also lead to this error.
  
  Solutions:
  
  Check Memory Settings: Ensure that the SAP GUI and application server have adequate memory allocated. You may need to consult with your system administrator to adjust these settings.
  Update SAP GUI: Make sure you are using the latest version of the SAP GUI. Sometimes, updating to the latest version can resolve compatibility issues.
  Limit Data Volume: If possible, try to limit the amount of data being processed in the report or list. You can apply filters or selection criteria to reduce the dataset.
  Review ABAP Code: If you have access to the ABAP code, review it for any potential issues that could cause the list to fail during scrolling. Debugging the program may help identify the root cause.
  Check User Settings: Review the user settings and profile parameters to ensure they are correctly configured for list display.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may have additional insights or patches available for known issues.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. Searching for "MW447" or related keywords may yield useful information.
  Transaction Codes: If you are encountering this error in a specific transaction, note the transaction code and check for known issues related to that transaction.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and potentially resolve the MW447 error in your SAP environment.