How To Fix FL840 - 'O' is not supported as a line command


FL840 - Overview

  • Message type: E = Error

  • Message class: FL - Function Builder messages

  • Message number: 840

  • Message text: 'O' is not supported as a line command

  • Show details Hide details


  • 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?

    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

    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 FL840 - 'O' is not supported as a line command ?
    The SAP error message FL840, which states "'O' is not supported as a line command," typically occurs in the context of transaction codes or reports where line commands are used to perform actions on specific entries in a list or table. The 'O' command usually refers to "Open," but in this case, it indicates that the command is not recognized or supported in the current context.
    
    Cause: Invalid Command: The command 'O' (Open) is not valid for the specific transaction or report you are using. Contextual Limitations: The line command may not be applicable to the type of data or the specific screen you are on. User Authorization: The user may not have the necessary authorizations to perform the action associated with the 'O' command. System Configuration: The system may be configured in a way that restricts certain commands or actions.
    Solution: Check Command Validity: Verify that the command you are trying to use is valid for

    Already have an account? Login here!




Instant HelpGet instant SAP help. Sign up for our Free Essentials Plan.


Related SAP Error Messages

Click the links below to see the following related messages:
  • FL830 Test data directory does not exist
    What causes this issue? You attempted to display your test data directory, but no test data has been saved for this function module.System Response ...

  • FL829 Test data directory deleted
    Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...

  • FL845 Table end reached
    Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...

  • FL850 Error in editor command
    Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...

Click on this link to search all SAP messages.


Rating
ERPlingo simplifies finding the accurate answers to SAP message errors. I now use every week. A must have tool for anyone working with SAP! Highly recommended!
Rate 1
Kent Bettisworth
Executive SAP Consultant