You received the following error message while running a 3D Connection plugin tool in our Planting F/X Revit plugin:
Planting F/X: Our tools do not work in a family document.
You currently have a .rfa family file open. Our Planting F/X for Revit tool will only work inside a .rvt Project document.
Open a .rvt file instead to use any tool from the Planting F/X plugin.