No customizing is maintained for structured materials

What causes this issue?

The customizing for structured materials is not maintained properly.

System Response

Processing cannot continue.

How to fix this error?

If you have the necessary authorisation, maintain the customing
activity <DS:SIMG.W_GE_0300>Structured Material Maintenance</>

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.