This message means that an element in your diagram is missing a value which has been made ‘required’.
To fix
Just double-click the element in the diagram, and fill-in the required data. The missing data will be highlighted in red.
Because style matters
This message means that an element in your diagram is missing a value which has been made ‘required’.
Just double-click the element in the diagram, and fill-in the required data. The missing data will be highlighted in red.