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How To Fix VSCE405 - Class & cannot have a BOM


SAP Error Message - Details

  • Message type: E = Error

  • Message class: VSCE - Messages for SCE

  • Message number: 405

  • Message text: Class & cannot have a BOM

  • Show details Hide details
  • What causes this issue?

    You have called up a bill of material in a dependency for an object
    whose type is only known as class (that is, the type has not yet been
    clearly specialized for a specific material). Based on the data, the
    system cannot determine a clear bill of material for the object.

    System Response

    Error message while downloading.

    How to fix this error?

    Check the affected dependency.
    Formulate references to materials in Constraints and Rules with
    IS_OBJECT instead of IS_A.

    Procedure for System Administrators

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message VSCE405 - Class & cannot have a BOM ?

    The SAP error message VSCE405 indicates that a class cannot have a Bill of Materials (BOM) associated with it. This error typically arises in the context of SAP's Variant Configuration (VC) when trying to assign a BOM to a class that is not allowed to have one.

    Cause:

    1. Class Type: The class you are trying to associate with a BOM is likely defined as a "class type" that does not support BOMs. In SAP, certain class types are designated for specific purposes, and not all of them can have BOMs.
    2. Configuration Settings: The configuration settings for the class may not allow for BOM assignment. This could be due to the way the class was set up in the system.
    3. Incorrect Assignment: You may be attempting to assign a BOM to a class that is intended for use with characteristics and variants, rather than physical components.

    Solution:

    1. Check Class Type: Verify the class type of the class you are working with. You can do this by navigating to the class in the SAP system and checking its properties. Ensure that it is a class type that supports BOMs (typically class type 300 for material classes).
    2. Use Appropriate Class: If the class type does not support BOMs, consider using a different class type that does. For example, if you need to manage a BOM, you might need to create a material master record instead of using a class.
    3. Review Configuration: Check the configuration settings for the class. Ensure that it is set up correctly to allow for BOM assignments if applicable.
    4. Consult Documentation: Refer to SAP documentation or help resources for more information on class types and their capabilities regarding BOMs.

    Related Information:

    • SAP Notes: Check SAP Notes for any specific guidance or patches related to this error message. SAP Notes can provide insights into known issues and their resolutions.
    • SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues. You can find discussions and solutions that may help you resolve the error.
    • Training and Documentation: If you are new to Variant Configuration or class management in SAP, consider reviewing training materials or documentation to better understand how classes and BOMs interact within the system.

    By following these steps, you should be able to identify the cause of the VSCE405 error and implement a suitable solution.

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