How To Fix CM_SUB_MLI012 - Cycle is not permitted in inheritance relationship

CM_SUB_MLI012 - Overview

• Message type: E = Error

• Message class: CM_SUB_MLI - Messages for Multilevel Inheritance

• Message number: 012

• Message text: Cycle is not permitted in inheritance relationship

What causes this issue?

You attempted to create an inheritance relationship in which the target
specification would at the same time serve as the source specification
for itself via other inheritance or reference relationships (directly or
indirectly).

How to fix this error?

Choose the source and target specifications such that cyclic
relationships cannot arise.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_SUB_MLI012 - Cycle is not permitted in inheritance relationship ?

  The SAP error message CM_SUB_MLI012: Cycle is not permitted in inheritance relationship typically occurs in the context of Master Data Management, particularly when dealing with the inheritance of characteristics or attributes in a classification system. This error indicates that there is a circular reference in the inheritance structure, which is not allowed.
  
  Cause:
  The error arises when you have defined a hierarchy or inheritance relationship between objects (like classes or characteristics) in such a way that it creates a cycle. For example, if Class A inherits from Class B, and Class B inherits from Class A, this creates a circular dependency, which is not permissible in SAP.
  
  Solution:
  To resolve this error, you need to identify and eliminate the circular reference in the inheritance relationships. Here are the steps you can take:
  
  
  Review Inheritance Relationships: Check the inheritance relationships of the classes or characteristics involved. Look for any circular references where one class inherits from