character doesn't dash but the fx seems to work. can someone help me?

``

		for _, v in pairs(chr:GetChildren()) do

			if v:IsA("Accessory") then
				for i, b in pairs(v:GetChildren()) do
					if b:IsA("BasePart") then
						b.Transparency = 1
					end
				end
			end

			if v:IsA("BasePart") then
				v.Transparency = 1
				if v.Name == "Head" then
					v.face.Transparency = 1
				end
			end



			delay(.5, function()
				if v:IsA("Accessory") then
					for i, b in pairs(v:GetChildren()) do
						if b:IsA("BasePart") then
							b.Transparency = 0
						end
					end
				end

				if v:IsA("BasePart") then
					v.Transparency = 0
					if v.Name == "HumanoidRootPart" then
						v.Transparency = 1
					end
					
					if v.Name == "Head" then
						v.face.Transparency = 0
					end
				end
			end)

		end

		local dashFX = particleFX.Dash:Clone()
		local dashSFX = sounds.dash:Clone()
		dashSFX.Parent = workspace
		dashFX.Parent = chr.Torso

		dashFX:Emit(20)
		dashSFX:Play()
		
		local dashBV = Instance.new("BodyVelocity")
		dashBV.MaxForce = Vector3.new(999999, 0, 999999)
		dashBV.Parent = humRP
		
		if isW then
			dashBV.Velocity = humRP.CFrame.LookVector * 100
			
		elseif isA then
			dashBV.Velocity = humRP.CFrame.RightVector * -100

		elseif isS then
			dashBV.Velocity = humRP.CFrame.LookVector * -100

		elseif isD then
			dashBV.Velocity = humRP.CFrame.RightVector * 100
		end
		
		
		debris:AddItem(dashBV, .2)

		
		debris:AddItem(dashFX, .5)
		debris:AddItem(dashSFX, dashSFX.TimeLength)