I cannot see my model

Cloud Mason hace 8 años actualizado por Michał Kołodziejski hace 7 años 2
The graphical display of my model seems to have disappeared. I can click on the the tables and see all the columns and properties, but I cannot get the graph to display.
En revisión
Does this problem still occur? The model doesn't seem to be corrupted or invalid.
No reply for 2 months, I mark the issue as "answered".