How To Fix MU023 - The structured material & can no longer be changed

MU023 - Overview

• Message type: E = Error

• Message class: MU - Maintenance of structured materials

• Message number: 023

• Message text: The structured material & can no longer be changed

What causes this issue?

You wanted to change the
<DS:GLOS.3526BBD7AFAB52B9E10000009B38F974>structured material</> &V1&.
However, this is not possible for one or both of the following reasons:
The material has already been listed.
The material is already used in logistics processes.

System Response

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

How to fix this error?

Create a new structured material with the required components and/or
quantity relations.

Error message extract from SAP system. Copyright SAP SE.

MU023 - Details

• The SAP error message MU023, which states "The structured material & can no longer be changed," typically occurs when you attempt to make changes to a structured material (like a configurable material or a material with variants) that is in a status that does not allow modifications. This can happen for several reasons, including:
  Causes:
  
  Material Status: The material may be in a status that prohibits changes, such as being marked as "locked" or "blocked."
  Production Orders: If there are open production orders or stock movements associated with the material, it may prevent changes.
  Dependencies: The structured material may have dependencies or relationships with other materials that restrict modifications.
  Change Control: The material may be subject to change control processes that prevent changes after a certain point in time.
  User Authorizations: The user may not have the necessary authorizations to make changes to the structured material.
  
  Solutions:
  
  Check Material Status: Review the status of the material in the