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

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.