How To Fix SE284 - Unit of measure for work must be a unit of time


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SE - Dienstleistungen Stammdaten Leistungsposition

  • Message number: 284

  • Message text: Unit of measure for work must be a unit of time

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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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    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.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message SE284 - Unit of measure for work must be a unit of time ?

    The SAP error message SE284, which states "Unit of measure for work must be a unit of time," typically occurs in the context of work-related transactions or configurations in SAP, particularly when dealing with work orders, maintenance plans, or project management.

    Cause:

    This error arises when the system expects a unit of measure (UoM) for work that is specifically a time-based unit (such as hours, days, etc.), but the provided UoM is either incorrect or not recognized as a valid time unit. Common causes include:

    1. Incorrect UoM Assignment: The unit of measure assigned to a work operation or task is not a time-based unit.
    2. Configuration Issues: The configuration settings in the system may not be set up correctly to recognize the appropriate UoM for work.
    3. Data Entry Errors: Users may have mistakenly entered a non-time unit (like quantity or weight) instead of a time unit.

    Solution:

    To resolve the SE284 error, you can take the following steps:

    1. Check the Unit of Measure:

      • Go to the relevant transaction (e.g., creating or editing a work order).
      • Verify that the unit of measure for the work is set to a valid time unit (e.g., hours (H), days (D), minutes (M)).
    2. Review Configuration Settings:

      • If you have access, check the configuration settings in the SAP system related to work management or project management.
      • Ensure that the UoM settings are correctly defined to include time-based units.
    3. Correct Data Entry:

      • If the error occurred during data entry, correct the UoM in the relevant fields to reflect a time-based unit.
    4. Consult Documentation:

      • Refer to SAP documentation or help resources for guidance on the specific transaction or module you are working with.
    5. Seek Help from SAP Support:

      • If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.

    Related Information:

    • Unit of Measure (UoM): In SAP, UoM is a critical aspect of material management and work management. It defines how quantities are measured and can significantly impact reporting and processing.
    • Transaction Codes: Familiarize yourself with relevant transaction codes such as IW31 (Create Work Order), IW32 (Change Work Order), and others related to work management.
    • SAP Notes: Check SAP Notes for any updates or specific fixes related to this error message.

    By following these steps, you should be able to identify and correct the cause of the SE284 error in your SAP system.

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