Object reference not set to an instance of an object

I have closed planar curves and I’ve flattened it and done many more things to just figure this out. I just added OpenNest a few hours ago and I’m new to Grasshopper. I don’t know why I keep getting: Solution exception:Object reference not set to an instance of an object. whenever I use project and pack objects.

cutsheet.gh (13.5 KB)

troubleopennest.3dm (152.2 KB)

Thank You :sweat_smile: