How To Fix VSCE405 - Class & cannot have a BOM

VSCE405 - Overview

• Message type: E = Error

• Message class: VSCE - Messages for SCE

• Message number: 405

• Message text: Class & cannot have a BOM

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:
  
  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.
  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.
  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:
  
  Check Class Type: Verify the class type of the class