Encountered this error
Error while running event level::on_gui_click (ID 1)
level/bnw-force.lua:275: Non-initial launch must have a platform
stack traceback:
[C]: in function 'assert'
level/bnw-force.lua:275: in function 'set_destination'
level/gui.lua:682: in function 'handle_launch_button'
level/control.lua:584: in function <level/control.lua:578>
What I did is to go to vulcanus, seen with the gui that I needed a bluerpint and the buildings with them, then got to nauvis fetching the building and returning to vulcanus to finaly build on it.