All the data from my model is gone. The graphics are still there but the there is no data in the properties dialog box, it doesn’t show any parameters, action logic, etc. previously entered.
Starting ProcessModel by double-clicking on the .igx file Your data has been overwritten with system defaults. If you have created a Model Package then you can reinstall the package. Always open ProcessModel and then open the model file (.spg).
Note: Model packages can be double-clicked to open.