private fun lazy_load
	do
		if loaded then return

		# Lazy load
		load

		# Print errors when lazy loading only
		if errors.length == 1 then
			print_error errors.first
		else if errors.length > 1 then
			print_error "Loading model at '{path}' raised {errors.length} errors:\n* "
			print_error errors.join("\n* ")
		end
	end