Why won't my fireball work debris or effects work?

For some reason whenever I use my fireball it has errors and doesn't spawn any debris and if it does it doesn't delete it. Can someone help? The problem is mainly in line 138.

local uis = game:GetService('UserInputService')
local rs = game:GetService('ReplicatedStorage')
local ts = game:GetService('TweenService')
local debris = game:GetService('Debris')

local player = game:GetService('Players').LocalPlayer
local mouse = player:GetMouse()
local character = script.Parent
local humanoid = character.Humanoid
local hrp = character.HumanoidRootPart

local remote = rs.Remotes.Attacks.Fire
local ProjectileFBresources = rs.Attacks.ProjectileFireball
local anims = ProjectileFBresources.Animations
local fx = ProjectileFBresources.Fx

local camera = workspace.CurrentCamera
local CameraShaker = require(rs.Modules.CameraShaker)

local camShake = CameraShaker.new(Enum.RenderPriority.Camera.Value, function(shakeCFrame)
	camera.CFrame = camera.CFrame * shakeCFrame
end)
camShake:Start()

local function rayCast(startPos, endPos, filter, length, obj)
	local params = RaycastParams.new()
	params.FilterType = Enum.RaycastFilterType.Blacklist
	params.IgnoreWater = true
	params.FilterDescendantsInstances = filter
	
	local result = workspace:Raycast(obj.Position, (endPos - startPos).Unit * length, params)
	if result then
		obj.Position = result.Position
		return false
	else
		obj.Position = (endPos - startPos).Unit * length * startPos
		return true
	end
end

local function fireCharge(data)
	local c = data.c
	local h = c.Humanoid
	local root = c.HumanoidRootPart
	local fireball = fx.Fireball:Clone()
	fireball.Parent = workspace.Fx
	
	local handFire = fireball.Attach.Fire:Clone()
	handFire.Parent = c.RightHand.RightGripAttachment
	handFire.Enabled = true
	
	local bodyPos = Instance.new('BodyPosition', root)
	bodyPos.Position = root.Position
	bodyPos.MaxForce = Vector3.new(999999, 999999, 999999)
	bodyPos.P = 1200
	bodyPos.D = 400
	h.JumpHeight = 0
	
	local floorFire = fx.Fireball:Clone()
	floorFire.CFrame = root.CFrame * CFrame.new(0, -3, 0)
	floorFire.RingAttach.Orientation = Vector3.new(0, 0, 0)
	floorFire.RingAttach.Ring.Enabled = true
	floorFire.Parent = workspace.Fx
	
	for i = 1, 17 do
		local circleMesh = fx.Circle:Clone()
		circleMesh.Parent = workspace.Fx
		circleMesh.CFrame = c.RightHand.CFrame * CFrame.Angles(math.rad(math.random(0, 180)), math.rad(math.random(0, 180)), math.rad(math.random(0, 180)))
		debris:AddItem(circleMesh, 0.5)
		ts:Create(circleMesh, TweenInfo.new(0.5), {Transparency = 1, Size = Vector3.new(0, 0, 0)}):Play()
		wait(0.1)
	end
	
	fireball.CFrame = c.HumanoidRootPart.CFrame * CFrame.new(1.5, 0, -5)
	handFire.Enabled = false
	handFire:Destroy()
	
	local ring = fireball:Clone()
	ring.Parent = workspace.Fx
	ring.CFrame = fireball.CFrame
	ring.RingAttach.Ring:Emit(50)
	
	h.JumpHeight = 7.2
	bodyPos:Destroy()
	
	fireball:Destroy()
	floorFire.RingAttach.Ring.Enabled = false
	debris:AddItem(floorFire, 1)
end

local function fireBall(data)
	local c = data.c
	local h = c.Humanoid
	local root = c.HumanoidRootPart
	
	local fireball = fx.Fireball:Clone()
	fireball.Parent = workspace.Fx
	fireball.CFrame = c.HumanoidRootPart.CFrame * CFrame.new(1.5, 0, -5)
	fireball.Attach.Fire.Enabled = true
	
	camShake:ShakeOnce(2, 5, 0.2, 0.4)
	
	local connection
	local count = 0
	
	connection = game:GetService('RunService').RenderStepped:Connect(function(dt)
		if count > 5 then
			connection:Disconnect()
			fireball.Attach.Fire.Enabled = false
			wait(1)
			fireball:Destroy()
			return
		elseif rayCast(fireball.Position, data.endpoint, {c, workspace.Fx}, 100 * dt, fireball) == false then
			for i = 0, 15 do
				local part = Instance.new('Part', workspace)
				part.Size = Vector3.new(4, math.random(15, 25) / 10, math.random(15, 25) / 10)
				part.Anchored = true
				part.CFrame = CFrame.new(fireball.Position) * CFrame.Angles( 0, math.rad(i * 24), 0) * CFrame.new(0, 0, -8) * CFrame.Angles(math.rad(35), 0, 0)
				part.CanQuery = false
				part.CanCollide = false
				part.CanTouch = false
				
				local params = RaycastParams.new()
				params.FilterType = Enum.RaycastFilterType.Blacklist
				params.IgnoreWater = true
				params.FilterDescendantsInstances = {c, workspace.Fx}
				
				local result = workspace:Raycast(part.Position + Vector3.new(0, 2, 0), Vector3.new(0, -10, 0), params)
				if result then
					part.Position = result.Position
					part.Material = result.Material
					part.Color = result.Instance.Color
				end
				
				if i % 3 < 2 then
					local fire = fx.Fireball:Clone()
					fire.Size = Vector3.new(math.random(10, 20) / 10, math.random(10, 20) / 10, math.random(10, 20) / 10)
					fire.Position = result.Position + Vector3.new(0, 3, 0)
					fire.Material = result.Material
					fire.Color = result.Instance.Color
					fire.Attach.Fire.Enabled = true
					fire.Attach.Fire.LockedToPart = false
					fire.Parent = workspace.Fx
					fire.Anchored = false
					fire.CanCollide = true
					
					local bv = Instance.new('BodyVelocity', fire)
					bv.Velocity = Vector3.new(math.random(-40, 40), 30, math.random(-40, 40))
					bv.MaxForce = Vector3.new(99999, 99999, 99999)
					bv.Name = 'Velocity'
					
					debris:AddItem(bv, 0.1)
					debris:AddItem(fire, 4)
					
					spawn(function()
						wait(2)
						fire.Attach.Fire.Enabled = false
						ts:Create(fire, TweenInfo.new(1, Enum.EasingStyle.Cubic, Enum.EasingDirection.Out, 0, false, 0), {Transparency = 1}):Play()
					end)
					
					fire.Transparency = 0
				end
				
				part.Position = part.Position - Vector3.new(0, 4, 0)
				ts:Create(part, TweenInfo.new(0.5, Enum.EasingStyle.Cubic, Enum.EasingDirection.Out), {Position = part.Position + Vector3.new(0, 4, 0)}):Play()
				
				spawn(function()
					debris:AddItem(part, 4)
					wait(3)
					ts:Create(part, TweenInfo.new(0.5, Enum.EasingStyle.Cubic, Enum.EasingDirection.Out, 0, false, 0), {Position = part.Position - Vector3.new(0, 4, 0)}):Play()
				end)
			end
			
			fireball.Attach.Fire.Enabled = false
			fireball.Attach.Explosion:Emit(100)
			
			camShake:ShakeOnce(2, 5, 0.2, 0.4)
			connection:Disconnect()
			if data.Client == true then
				data.endpoint = fireball.Position
				remote:FireServer('FireballHit', data)
			end
			wait(1)
			fireball:Destroy()
			return
		end
	end)
end

uis.InputBegan:Connect(function(input, gpe)
	if gpe then return end
	if input.KeyCode == Enum.KeyCode.Q then
		if mouse.Hit then
			local data = {client = true, c = character}
			local load = humanoid:LoadAnimation(anims.Fireball)
			load:Play()
			debris:AddItem(load, load.Length)
			remote:FireServer('FireCharge', data)
			fireCharge(data)
			data.endpoint = mouse.Hit.Position
			remote:FireServer('Fireball', data)
			fireBall(data)
		end
	end
end)