How To Fix LF190 - Failed to determine screen number

SAP Error Message - Details

• Message type: E = Error

• Message class: LF - Mobile Computing in Warehouse Logistics

• Message number: 190

• Message text: Failed to determine screen number

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 LF190 - Failed to determine screen number ?

  The SAP error message LF190, "Failed to determine screen number," typically occurs in the context of SAP GUI or when working with certain transactions or programs that involve screen navigation. This error can arise due to various reasons, including configuration issues, missing or incorrect screen definitions, or problems with the underlying program logic.
  Causes:
  
  Missing Screen Definition: The screen number that the program is trying to access may not be defined in the system.
  Incorrect Program Logic: The program may have logic that leads to an invalid screen number being referenced.
  Authorization Issues: The user may not have the necessary authorizations to access the screen or transaction.
  Transport Issues: If the program or screen was recently transported from another system, it may not have been properly configured in the target system.
  Custom Development: If there are custom developments or modifications, they may not be correctly implemented or may have bugs.
  
  Solutions:
  
  Check Screen Definitions: Verify that the screen number being referenced exists in the system. You can do this by checking the relevant transaction or program in the ABAP Workbench (SE80).
  Debugging: If you have access to the ABAP code, you can debug the program to see where the screen number is being determined and why it might be failing.
  Authorization Check: Ensure that the user has the necessary authorizations to access the transaction or program.
  Transport Validation: If the issue arose after a transport, check the transport logs and ensure that all necessary objects were transported correctly.
  Consult Documentation: Review any documentation related to the program or transaction to see if there are known issues or specific configurations required.
  Contact SAP Support: If the issue persists and you cannot determine the cause, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: You may want to check the transaction codes related to the program or screen in question.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the LF190 error and implement a solution.