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How To Fix TBA_BASIS045 - Only UOM with same dimensions allowed


SAP Error Message - Details

  • Message type: E = Error

  • Message class: TBA_BASIS - Messages Basis Handling

  • Message number: 045

  • Message text: Only UOM with same dimensions allowed

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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 TBA_BASIS045 - Only UOM with same dimensions allowed ?

    The SAP error message TBA_BASIS045, which states "Only UOM with same dimensions allowed," typically occurs when there is an attempt to perform an operation involving units of measure (UOM) that are not compatible due to differing dimensions. This can happen in various contexts, such as when dealing with materials, inventory management, or sales orders.

    Cause:

    The error is triggered when:

    • You are trying to convert or compare quantities that are expressed in different units of measure that do not share the same dimensions. For example, trying to convert between weight (kilograms) and volume (liters) without a proper conversion factor.
    • The system expects UOMs to be compatible based on their defined dimensions (e.g., length, weight, volume), and the UOMs involved do not match in this regard.

    Solution:

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

    1. Check UOM Definitions:

      • Go to the UOM configuration in SAP (Transaction Code: CUNI) and verify the definitions of the UOMs involved. Ensure that they are defined correctly and that they share the same dimension.
    2. Review Material Master Data:

      • Check the material master data for the materials involved in the transaction. Ensure that the UOMs assigned to the materials are appropriate and compatible.
    3. Conversion Factors:

      • If you need to convert between different UOMs, ensure that you have defined the correct conversion factors in the system. This is crucial for UOMs that are related but not directly convertible without a factor.
    4. Transaction Context:

      • Review the specific transaction or process that triggered the error. Ensure that you are using the correct UOMs for the operation you are trying to perform.
    5. Consult Documentation:

      • Refer to SAP documentation or help resources for guidance on UOM handling and conversion in the specific context you are working with.
    6. Testing:

      • After making adjustments, test the transaction again to ensure that the error is resolved.

    Related Information:

    • Unit of Measure (UOM): In SAP, UOM is a critical aspect of material management, sales, and inventory processes. Each material can have multiple UOMs defined, and they must be compatible for operations like sales orders, inventory counts, and reporting.
    • Dimension Types: UOMs can be categorized by dimensions such as length, area, volume, weight, etc. Understanding these dimensions is key to resolving compatibility issues.
    • SAP Notes: Check for any relevant SAP Notes that may address specific issues or provide patches related to UOM handling.

    If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data in your SAP environment.

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