error message says a part isnt a part of the tool when its clearly is what is going on?

so basically whenever I run the code I get the error message of BLADEPART1 is not a valid member of Tool "Players.MrAspuru.Backpack.Anakin's Lightsaber"

I don't understand this as it is clearly a part of the tool I don't know how to add images to this but BLADEPART1 is in the tool here is the script which is showing the error message the error message says it's from line 116

attacksequencenumber = 0
local enabled = true
sound1 = game.Workspace.Sound11
sound2 = game.Workspace.Sound21
sound3 = game.Workspace.Sound31
sound4 = game.Workspace.Sound41
sound5 = game.Workspace.Sound51
tool = script.Parent
damagecooldown = false
local ReplicatedStorage = game:GetService("ReplicatedStorage")

local remoteEvent = ReplicatedStorage:WaitForChild("Damage")


local playerer = script.Parent.Parent

on = true

function damage(obj)
	local plr = obj.Parent:FindFirstChild("Humanoid")
	if plr then
		if script.Parent.BladeOn.Value == 1 then
			if enabled == false then
				if on == true then
					on = false
					remoteEvent:FireServer("Attack")
					wait(0.6)
					on = true
				
				end
			end
		end
	end
end

tool.Equipped:Connect(function()
	equipped = true
end)

tool.Unequipped:Connect(function()
	equipped = false
end)


script.Parent.Equipped:Connect(function(Mouse)
	Mouse.Button1Down:Connect(function()
		
		animation = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation)
		animation2 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation2)
		animation3 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation3)
		animation4 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation4)
		animation5 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation5)


		if enabled == true then
			if script.Parent.BladeOn.Value == 1 then
				if attacksequencenumber == 0 then
					animation:Play()
					sound1:Play()
				end
				if attacksequencenumber == 1 then
					animation2:Play()
					sound2:Play()
				end
				if attacksequencenumber == 2 then
					animation3:Play()
					sound3:Play()
				end 
				if attacksequencenumber == 3 then
					animation4:Play()
					sound4:Play()
				end 
				if attacksequencenumber == 4 then
					animation5:Play()
					sound5:Play()
				end 

				enabled = false
				attacksequencenumber = attacksequencenumber + 1
				if attacksequencenumber == 5 then
					attacksequencenumber = 0
				end
			
				wait(0.8)
				enabled = true
			end
		end
	end)
end)

script.Parent.Unequipped:Connect(function()
	animation = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation)
	animation2 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation2)
	animation3 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation3)
	animation4 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation4)
	animation5 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation5)

	
		animation:Stop() 
	
	
		animation2:Stop()
	
	
		animation3:Stop()
	
	
		animation4:Stop()
	
	
		animation5:Stop()
	
end)


local part = script.Parent.BLADEPART1
local player = game.Players.LocalPlayer

local clashsound = game.Workspace.Clash


local function onPartTouched(otherPart)
	print(part.Name .. " has touched " .. otherPart.Name)
	if otherPart.Name == "BLADEPART1" and otherPart.ClassName == "Part" then
		print("clash")
		animation:Stop()
		animation2:Stop()
		animation3:Stop()
		animation4:Stop()
		animation5:Stop()
		if script.Parent.BladeOn.Value == 1 then
			clashsound:Play()
		end
	end
end

part.Touched:Connect(onPartTouched)






local player = game.Players.LocalPlayer
local mouse = player:GetMouse()




local held = false
mouse.Button2Down:connect(function()
	if equipped == true then
		animation = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation)
		animation2 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation2)
		animation3 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation3)
		animation4 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation4)
		animation5 = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Animation5)
		Block = game.Players.LocalPlayer.Character.Humanoid:LoadAnimation(script.Parent.Block)
		animation:Stop()
		animation2:Stop()
		animation3:Stop()
		animation4:Stop()
		animation5:Stop()
		held = true
		Block:Play()
		player.Character.Humanoid.WalkSpeed = 8
		script.Parent.IsBlocking.Value = 1
		if script.Parent.BladeOn.Value == 1 then
			sound2:Play()
		end
	end
end)

mouse.Button2Up:connect(function()
	
	held = false
	Block:Stop()
	player.Character.Humanoid.WalkSpeed = 16
	script.Parent.IsBlocking.Value = 0
	if equipped == true then
		if script.Parent.BladeOn.Value == 1 then
			sound2:Play()
		end
	end
end)

script.Parent.BLADEPART1.Touched:Connect(damage)

I fixed it i just had to replace script.parent.BLADEPART1 with script.parent:WaitForChild("BLADEPART1")