If the "Short code visible on header" field is enabled in the "Prozessbaustein" tab, a corresponding process element system must be selected in the "Process element systems" tab.
"Process element systems" tab of the "MTM analysis" [AN] element configuration
•Used: Here, it is possible to select any number of process element systems. These can all be selected when creating an element.
•Default: Indicates the process element system that is displayed initially. A process element system must always be selected as default. Multiple selection is not possible.