Error: ./all/entity_db.lua:200: attempt to index local 'v' (a number value) stack traceback:
./all/entity_db.lua:200: in function '(for generator)'
./all/systems.lua:1392: in function 'on_update'
./all/simulation.lua:121: in function 'do_tick'
./all/simulation.lua:92: in function 'update'
./all/game.lua:282: in function 'update'
in sys.goal_line an entity is a number