Profile may not be changed

What causes this issue?

You tried to change and save a profile from the production order.
However, this is not allowed, because the profile was either created in
Customizing or by another user.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.