Raycast returns nil on the server when the result is humanoid

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#1

I am having an issue with my gun system, I am raycasting on the client and then passing the raycast information to the server and it works, however only half of the time.

I tried debugging it by printing and each time the instance of the raycast is a humanoid, on the server it is nil and it causes an error.

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The first print is from the client (Humanoid) and the second one is from the server (nil)

CLIENT CODE:

local direction = applyPhysics(GetMousePosition(location.x,location.y))
local rayFilter = RaycastParams.new()
rayFilter.FilterDescendantsInstances = bl
rayFilter.FilterType = Enum.RaycastFilterType.Blacklist
local ray = workspace:Raycast(script.Parent.Nodes.FirePart.Position, direction, rayFilter)
if ray then
	print(ray.Instance.Name)
			game.ReplicatedStorage.Apollo.Damage:FireServer(ray.Instance, script.Parent, ray.Position, ray.Normal)
				produceBeam(script.Parent.Nodes.FirePart, ray.Position)
				if ray.Instance.Parent:FindFirstChild("Humanoid") or ray.Instance.Parent.Parent:FindFirstChild("Humanoid") then
				blood(ray.Position)
			end
		else
	produceBeam(script.Parent.Nodes.FirePart, direction)
end

SERVER CODE:

game.ReplicatedStorage.Apollo.Damage.OnServerEvent:Connect(function(plr, ray, tool, pos, normal)
	print(ray)
	if ray.Parent:FindFirstChild("Humanoid") then
		game.ReplicatedStorage.Apollo.Blood:FireAllClients(plr, pos)
		local char = ray.Parent
		local conf = require(tool.Settings)
		char.Humanoid:TakeDamage(conf.damage)
	end
end)

-- NOTE: RAY IS THE RAYCAST INSTANCE
#2

This is usually caused by the object that is being hit only being on the client. If you create something on the client and pass it as an arg to the server, it will be nil.