How To Fix CM_SUB_MLI054 - Specification inherits value assignment more than once; cannot overwrite

CM_SUB_MLI054 - Overview

• Message type: E = Error

• Message class: CM_SUB_MLI - Messages for Multilevel Inheritance

• Message number: 054

• Message text: Specification inherits value assignment more than once; cannot overwrite

What causes this issue?

The value assignment instance you selected belongs to a source
specification whose data is passed on to the current target
specification. These two specifications are linked together by several
inheritance relationships, however, whose inheritance templates have
disjunctive usage information. The usages of the selected value
assignment instance mean that it is affected by more than one of these
relationships simultaneously.

System Response

In this case, it is not possible to overwrite the value assignment
instance.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_SUB_MLI054 - Specification inherits value assignment more than once; cannot overwrite ?

  The SAP error message CM_SUB_MLI054 indicates that there is an issue with the inheritance of value assignments in a specification. This typically occurs in the context of SAP's Product Lifecycle Management (PLM) or Material Management (MM) modules, where specifications are used to define the characteristics and properties of materials or products.
  
  Cause:
  The error arises when a specification attempts to inherit a value assignment from multiple sources, leading to ambiguity. This can happen in the following scenarios:
  
  A specification is set up to inherit properties from multiple parent specifications or templates that define the same value assignment.
  There are conflicting definitions of the same characteristic in the parent specifications, causing SAP to be unable to determine which value assignment to use.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Inheritance Structure:
  
  Check the inheritance structure of the specification that is causing the error. Identify all parent specifications and templates that are being referenced.
  Ensure that