Datastore Cannot store arrays?

i have tried to make a saving system, but when testing, it says Datastore cant store arrays, but only valid UTF-8 characters. Why is this?

client:

script.Parent.MouseButton1Click:Connect(function()
			local e = {}
		local meshdat = {}
		local wedgedat = {}
		local blockdat = {}
		local cydat = {}
		local firedat = {}
		local smokedat = {}
		local pointlightdat = {}
		local spotlightdat = {}
	for i,v in pairs(game.Players.LocalPlayer.Cars.Current:GetChildren()) do
		    for _,m in pairs(game.Workspace.CurrentCamera.Car.Body:GetDescendants()) do
	if m:IsA("Part") and m.Name ~= "Wedge" then
	table.insert(
		e,
		{
			["Name"] = m.Name;
			["Color"] = m.BrickColor.Name;
			["Anchored"] = m.Anchored;
			["CanCollide"] = m.CanCollide;
			["Transparency"] = m.Transparency;
			["Material"] = m.Material;
			["Reflectance"] = m.Reflectance;
			["Shape"] = m.Shape;		
["Pos"] = {
                ["X"] = m.CFrame.X;
                ["Y"] = m.CFrame.Y;
                ["Z"] = m.CFrame.Z;
                ["RX"] = m.Orientation.X;       
["RY"] = m.Orientation.Y;
["RZ"] = m.Orientation.Z;
                ["XSize"] = m.Size.X;
                ["YSize"] = m.Size.Y;
                ["ZSize"] = m.Size.Z;

}
}
	)
	end
		if m:IsA("WedgePart") then
	table.insert(
		wedgedat,
		{
			["Name"] = m.Name;
			["Color"] = m.BrickColor.Name;
			["Anchored"] = m.Anchored;
			["PartType"] = m.ClassName;
			["CanCollide"] = m.CanCollide;
			["Transparency"] = m.Transparency;
			["Material"] = m.Material;
			["Reflectance"] = m.Reflectance;		
["Pos"] = {
                ["X"] = m.CFrame.X;
                ["Y"] = m.CFrame.Y;
                ["Z"] = m.CFrame.Z;
                ["RX"] = m.Orientation.X;
["RY"] = m.Orientation.Y;
["RZ"] = m.Orientation.Z;
                ["XSize"] = m.Size.X;
                ["YSize"] = m.Size.Y;
                ["ZSize"] = m.Size.Z;

}
}
	)
	end
	if m:IsA("SpecialMesh") then
		table.insert(
			meshdat,
			{
				["ParentPos"] = m.Parent.Position;
				["MeshId"] = m.MeshId;
				["Stuff"] = {
					["ScaleX"] = m.Scale.X;
					["ScaleY"] = m.Scale.Y;
					["ScaleZ"] = m.Scale.Z;
					["OffsetY"] = m.Offset.X;
					["OffsetY"] = m.Offset.Y;
					["OffsetY"] = m.Offset.Z;
				}
				}
		)
	end
		if m:IsA("BlockMesh") then
		table.insert(
			blockdat,
			{
				["ParentPos"] = m.Parent.Position;
				["Stuff"] = {
					["ScaleX"] = m.Scale.X;
					["ScaleY"] = m.Scale.Y;
					["ScaleZ"] = m.Scale.Z;
					["OffsetY"] = m.Offset.X;
					["OffsetY"] = m.Offset.Y;
					["OffsetY"] = m.Offset.Z;
				}
				}
		)
		end
				if m:IsA("CylinderMesh") then
		table.insert(
			cydat,
			{
				["ParentPos"] = m.Parent.Position;
				["Stuff"] = {
					["ScaleX"] = m.Scale.X;
					["ScaleY"] = m.Scale.Y;
					["ScaleZ"] = m.Scale.Z;
					["OffsetY"] = m.Offset.X;
					["OffsetY"] = m.Offset.Y;
					["OffsetY"] = m.Offset.Z;
				}
				}
		)
				end
						if m:IsA("Fire") then
		table.insert(
			firedat,
			{
				["ParentPos"] = m.Parent.Position;
				["Stuff"] = {
					["Color"] = m.Color;
					["Heat"] = m.Heat;
					["Name"] = m.Name;
					["SecondaryColor"] = m.SecondaryColor;
					["Size"] = m.Size;
				}
				}
		)
								end
							if m:IsA("Smoke") then
		table.insert(
			smokedat,
			{
				["ParentPos"] = m.Parent.Position;
				["Stuff"] = {
					["Color"] = m.Color;
					["Opacity"] = m.Opacity;
					["Name"] = m.Name;
					["RiseVelocity"] = m.RiseVelocity;
					["Size"] = m.Size;
				}
				}
		)
																end
if m:IsA("PointLight") then
		table.insert(
			pointlightdat,
			{
				["ParentPos"] = m.Parent.Position;
				["Stuff"] = {
					["Color"] = m.Color;
					["Range"] = m.Range;
					["Name"] = m.Name;
					["Shadows"] = m.Shadows;
					["Brightness"] = m.Brightness;
				}
				}
		)
end
if m:IsA("SpotLight") then
		table.insert(
			spotlightdat,
			{
				["ParentPos"] = m.Parent.Position;
				["Stuff"] = {
					["Color"] = m.Color;
					["Range"] = m.Range;
					["Name"] = m.Name;
					["Shadows"] = m.Shadows;
					["Brightness"] = m.Brightness;
					["Angle"] = m.Angle;
					["Face"] = m.Face;
				}
				}
		)
	end
		end
		game.Workspace.PaintRemotes.AddCustomPart:FireServer(v,e,meshdat,blockdat,cydat,firedat,smokedat,pointlightdat,spotlightdat,wedgedat)
		game.Workspace.PaintRemotes.SetStats:FireServer(v,game.Workspace.CurrentCamera.Car.tuning.acceleration.Value,game.Workspace.CurrentCamera.Car.tuning.brakespeed.Value,game.Workspace.CurrentCamera.Car.tuning.gear.MaxValue,game.Workspace.CurrentCamera.Car.tuning.grip.Value,game.Workspace.CurrentCamera.Car.tuning.idleaccel.Value,game.Workspace.CurrentCamera.Car.tuning.maxspeed.Value,game.Workspace.CurrentCamera.Car.tuning.steerspeed.Value,game.Workspace.CurrentCamera.Car.Seats.VehicleSeat.Sound.SoundId,game.Workspace.CurrentCamera.Car.Seats.VehicleSeat.Sound.Volume,game.Workspace.CurrentCamera.Car.Seats.VehicleSeat.Sound.idlepitch.Value,game.Workspace.CurrentCamera.Car.Seats.VehicleSeat.Sound.pitchinfluence.Value)
		game.Workspace.SaveSlot1:FireServer(v,e,meshdat,blockdat,cydat,firedat,smokedat,pointlightdat,spotlightdat,wedgedat,game.Workspace.CurrentCamera.Car.tuning.acceleration.Value,game.Workspace.CurrentCamera.Car.tuning.brakespeed.Value,game.Workspace.CurrentCamera.Car.tuning.gear.MaxValue,game.Workspace.CurrentCamera.Car.tuning.grip.Value,game.Workspace.CurrentCamera.Car.tuning.idleaccel.Value,game.Workspace.CurrentCamera.Car.tuning.maxspeed.Value,game.Workspace.CurrentCamera.Car.tuning.steerspeed.Value,game.Workspace.CurrentCamera.Car.Seats.VehicleSeat.Sound.SoundId,game.Workspace.CurrentCamera.Car.Seats.VehicleSeat.Sound.Volume,game.Workspace.CurrentCamera.Car.Seats.VehicleSeat.Sound.idlepitch.Value,game.Workspace.CurrentCamera.Car.Seats.VehicleSeat.Sound.pitchinfluence.Value)
	end
end)

server:

local datastore = game:GetService("DataStoreService")
local accelstore = datastore:GetDataStore("accelstore1")
local brakestore = datastore:GetDataStore("brakestore1")
local gearstore = datastore:GetDataStore("gearstore1")
local gripstore = datastore:GetDataStore("gripstore1")
local idlestore = datastore:GetDataStore("idlestore1")
local speedstore = datastore:GetDataStore("speedstore1")
local steerstore = datastore:GetDataStore("steerstore1")
local soundidstore = datastore:GetDataStore("soundidstore1")
local volumestore = datastore:GetDataStore("volumestore1")
local idlepitchstore = datastore:GetDataStore("idlepitchstore1")
local pitchrevstore = datastore:GetDataStore("pitchrevstore1")
local tabstore = datastore:GetDataStore("tabstore1")
local meshtabstore = datastore:GetDataStore("meshtabstore1")
local blokstore = datastore:GetDataStore("blokstore1")
local cystore = datastore:GetDataStore("cystore1")
local firstore = datastore:GetDataStore("firstore1")
local smokstore = datastore:GetDataStore("smokstore1")
local poinstore = datastore:GetDataStore("poinstore1")
local spotstore = datastore:GetDataStore("spotstore1")
local wedstore = datastore:GetDataStore("wedstore1")
script.Parent.OnServerEvent:Connect(function(plr,car,tab,meshtab,blok,cy,fir,smok,poin,spot,wed,accel,brake,gear,grip,idle,speed,steer,soundid,volume,idlepitch,pitchrev)
	accelstore:SetAsync(plr.UserId,accel)
	brakestore:SetAsync(plr.UserId,brake)
		gearstore:SetAsync(plr.UserId,gear)
		gripstore:SetAsync(plr.UserId,grip)
		idlestore:SetAsync(plr.UserId,idle)
		speedstore:SetAsync(plr.UserId,speed)
		steerstore:SetAsync(plr.UserId,steer)
		soundidstore:SetAsync(plr.UserId,soundid)
		volumestore:SetAsync(plr.UserId,volume)
		idlepitchstore:SetAsync(plr.UserId,idlepitch)
	pitchrevstore:SetAsync(plr.UserId,pitchrev)
	--tables
	tabstore:SetAsync(plr.UserId,tab)
	meshtabstore:SetAsync(plr.UserId,meshtab)
	blokstore:SetAsync(plr.UserId,blok)
	cystore:SetAsync(plr.UserId,cy)
	firstore:SetAsync(plr.UserId,fir)
	smokstore:SetAsync(plr.UserId,smok)
	poinstore:SetAsync(plr.UserId,poin)
	spotstore:SetAsync(plr.UserId,spot)
	wedstore:SetAsync(plr.UserId,wed)
	
	print("e")
end)

thanks