NullPointerException when exploring paths of an unsaved graph using the context menu

[selgueti]

NullPointerException when exploring paths of an unsaved graph using the context menu

What steps will reproduce the problem?

1. Create a new graph with the FSGraph menu
2. Open the context menu with a right click
3. Select Tools and then Explore graph paths

What is the expected output?

What do you see instead?

More info

• Unitex/GramLab IDE version: 3.3.7
• UnitexToolLogger version: 3.3.7