How To Fix LF109 - Failed to call screen

LF109 - Overview

• Message type: E = Error

• Message class: LF - Mobile Computing in Warehouse Logistics

• Message number: 109

• Message text: Failed to call screen

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.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message LF109 - Failed to call screen ?

  The SAP error message LF109: Failed to call screen typically occurs when there is an issue with the screen or transaction that the system is trying to access. This error can arise due to various reasons, including configuration issues, missing screen elements, or problems with the underlying program logic.
  Causes:
  
  Missing Screen Elements: The screen that the program is trying to call may not exist or may have been deleted.
  Incorrect Program Logic: There may be an issue in the ABAP code that prevents the screen from being called correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the screen.
  Transaction Configuration: The transaction may not be configured correctly in the system.
  Screen Variants: If screen variants are used, they may not be set up properly.
  
  Solutions:
  
  Check Screen Existence: Verify that the screen number being called exists in the program. You can do this by checking the program in the ABAP Workbench (SE80