In the Process of adding a Material to an Equipment you receive the following error in the Designer Console:
when you try to update a Material in the Material Manager, the Component will not save the Assignment and you will have to
open the Designer Console to find the above error/stack trace.
Using the Component Object Editor
check for Segment Operations => OEE Production
right click then edit
this Process Segment Temple should look like this:
if there is an Equipment defined under Production Settings, it should be removed.