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How To Fix SOAP_RFM_POSI255 - Enter a unit of measure


SAP Error Message - Details

  • Message type: E = Error

  • Message class: SOAP_RFM_POSI - SOAP Services for Retail POS Inbound Messages

  • Message number: 255

  • Message text: Enter a unit of measure

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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.



    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 SOAP_RFM_POSI255 - Enter a unit of measure ?

    The SAP error message SOAP_RFM_POSI255 typically indicates that a unit of measure (UoM) is required for a particular operation or transaction, but it has not been provided. This error can occur in various contexts, such as during the processing of sales orders, purchase orders, or inventory management.

    Cause:

    1. Missing Unit of Measure: The most common cause is that the system expects a unit of measure to be specified for a material or product, but it has not been entered.
    2. Configuration Issues: There may be issues with the configuration of the material master data, where the unit of measure is not properly defined.
    3. Data Entry Errors: Users may forget to enter the unit of measure when creating or modifying documents.
    4. Integration Issues: If the error occurs during an integration process (e.g., with an external system), it may be due to missing data being sent to SAP.

    Solution:

    1. Enter Unit of Measure: Ensure that you enter the required unit of measure in the relevant field when creating or modifying the document.
    2. Check Material Master Data: Verify that the material master data is correctly configured. Ensure that the unit of measure is defined in the material master record.
      • Go to transaction code MM03 (Display Material) and check the Basic Data and Purchasing views for the unit of measure.
    3. Review Document Settings: If the error occurs in a specific transaction, review the settings and ensure that all required fields, including the unit of measure, are filled out.
    4. Consult Documentation: If you are unsure about the required unit of measure, consult the relevant documentation or help resources within SAP.
    5. Integration Checks: If the error arises during data transfer from an external system, check the integration settings and ensure that the unit of measure is being sent correctly.

    Related Information:

    • Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), VA01 (Create Sales Order), and MB1A (Goods Withdrawal) where this error might occur.
    • SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
    • User Training: Ensure that users are trained on the importance of entering all required fields, including the unit of measure, to avoid this error in the future.
    • Support: If the issue persists after checking the above points, consider reaching out to your SAP support team for further assistance.

    By addressing the missing unit of measure and ensuring proper configuration, you should be able to resolve the SOAP_RFM_POSI255 error effectively.

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