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How To Fix WS378 - This is a test run


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WS - Supplier Billing Document

  • Message number: 378

  • Message text: This is a test run

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  • 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 WS378 - This is a test run ?

    Certainly! Here's detailed information about the SAP error message WS378 - "This is a test run":


    SAP Message WS378: "This is a test run"


    Cause:

    The message WS378 is not actually an error but an informational message indicating that the current operation or transaction is being executed in test run mode (also called simulation mode or "no update" mode).

    In SAP, many transactions or reports allow you to perform a test run before making actual changes to the database. During a test run, the system simulates the process and displays what would happen if the transaction were executed for real, but no data is actually updated or changed.

    This message appears to inform the user that the current execution is a test run and no real posting or update has taken place.


    When does it occur?

    • When you execute a transaction or report with the Test Run checkbox selected.
    • When running batch jobs or background programs in simulation mode.
    • During certain financial postings, asset postings, or other master data changes where a test run option is available.

    Solution:

    • If you want to perform a real update:
      Rerun the transaction or report without selecting the Test Run checkbox or simulation mode. This will allow the system to post or update the data as intended.

    • If you only want to simulate:
      No action is needed. The message is just informational to confirm that no changes were made.


    Related Information:

    • Test Run / Simulation Mode:
      Many SAP transactions provide a test run option to help users verify the results before committing changes. This is a best practice to avoid posting incorrect data.

    • Example Transactions with Test Run:

      • Financial postings (FB50, F-02, etc.)
      • Asset accounting transactions (AS01, AB01, etc.)
      • Mass changes or batch input sessions
      • Custom reports or programs with test run parameters
    • Message Class: WS (Workflow or related system messages)

    • Message Number: 378


    Summary:

    Aspect Description
    Message WS378 - This is a test run
    Type Informational message
    Cause Transaction executed in test run (simulation) mode
    Effect No data is updated or posted
    Solution Run the transaction without test run option to post data
    Notes Useful for verifying results before actual posting

    If you want, I can help you with specific transaction codes or steps to disable the test run mode for your scenario. Just let me know!

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