System is set to not changeable; objects cannot be changed

What causes this issue?

You want to change objects although the system setting is <ZH>Not
Changeable</>.

System Response

The objects cannot be changed.

How to fix this error?

Use transaction <DS:TRAN.SE06>SE06</> or <DS:TRAN.SCC4>SCC4</> to change
the system setting to <ZH>Changeable</>.

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.