DarkRP Printers - Help!

[Fabulus]

[ERROR] addons/darkrpmodification-master/lua/entities/silver_printer/init.lua:103: attempt to perform arithmetic on global 'MoneyPrint' (a nil value)
1. CreateMoneybag - addons/darkrpmodification-master/lua/entities/silver_printer/init.lua:103
2. unknown - addons/darkrpmodification-master/lua/entities/silver_printer/init.lua:78

Timer Failed! [Simple][@addons/darkrpmodification-master/lua/entities/silver_printer/init.lua (line 76)]

103: self:SetNWString("MoneyInside", self:GetNWString("MoneyInside") + MoneyPrint)

78: ent:CreateMoneybag()

76: timer.Simple(3, function()

[Netheous]

MoneyPrint doesn't exist.
You are most likely trying to call a local created inside a function.

Post the whole code, 3 lines won't tell us much other than the fact that you are using the most outdated and least efficient way to network variables.

[Fabulus]

-- RRPX Money Printer reworked for DarkRP by philxyz
AddCSLuaFile("cl_init.lua")
AddCSLuaFile("shared.lua")
include("shared.lua")

ENT.SeizeReward = 950
-------------------------------------
local PrintMore
function ENT:Initialize()
self:SetModel("models/props_c17/consolebox01a.mdl")
self:PhysicsInit(SOLID_VPHYSICS)
self:SetMoveType(MOVETYPE_VPHYSICS)
self:SetSolid(SOLID_VPHYSICS)
self:SetColor(Color(255, 255, 255, 255))
local phys = self:GetPhysicsObject()
phys:Wake()

self.sparking = false
self.damage = 100
self.IsMoneyPrinter = true
timer.Simple(10, function() PrintMore(self) end)
end

function ENT:OnTakeDamage(dmg)
if self.burningup then return end

self.damage = (self.damage or 100) - dmg:GetDamage()
if self.damage <= 0 then
local rnd = math.random(1, 10)
if rnd < 3 then
self:BurstIntoFlames()
else
self:Destruct()
self:Remove()
end
end
end

function ENT:Destruct()
local vPoint = self:GetPos()
local effectdata = EffectData()
effectdata:SetStart(vPoint)
effectdata:SetOrigin(vPoint)
effectdata:SetScale(1)
util.Effect("Explosion", effectdata)
DarkRP.notify(self:Getowning_ent(), 1, 4, DarkRP.getPhrase("money_printer_exploded"))
end

function ENT:BurstIntoFlames()
DarkRP.notify(self:Getowning_ent(), 0, 4, DarkRP.getPhrase("money_printer_overheating"))
self.burningup = true
local burntime = math.random(8, 18)
self:Ignite(burntime, 0)
timer.Simple(burntime, function() self:Fireball() end)
end

function ENT:Fireball()
if not self:IsOnFire() then self.burningup = false return end
local dist = math.random(20, 280) -- Explosion radius
self:Destruct()
for k, v in pairs(ents.FindInSphere(self:GetPos(), dist)) do
if not v:IsPlayer() and not v:IsWeapon() and v:GetClass() ~= "predicted_viewmodel" and not v.IsMoneyPrinter then
v:Ignite(math.random(5, 22), 0)
elseif v:IsPlayer() then
local distance = v:GetPos():Distance(self:GetPos())
v:TakeDamage(distance / dist * 100, self, self)
end
end
self:Remove()
end

PrintMore = function(ent)
if not IsValid(ent) then return end

ent.sparking = true
timer.Simple(3, function()
if not IsValid(ent) then return end
ent:CreateMoneybag()
end)
end

function ENT:CreateMoneybag()
if not IsValid(self) or self:IsOnFire() then return end

local MoneyPos = self:GetPos()

if GAMEMODE.Config.printeroverheat then
local overheatchance
if GAMEMODE.Config.printeroverheatchance <= 3 then
overheatchance = 22
else
overheatchance = GAMEMODE.Config.printeroverheatchance or 22
end
if math.random(1, overheatchance) == 3 then self:BurstIntoFlames() end
end

local amount = GAMEMODE.Config.mprintamount
if amount == 0 then
amount = 250
end

-- DarkRP.createMoneyBag(Vector(MoneyPos.x + 15, MoneyPos.y, MoneyPos.z + 15), amount)
self:SetNWString("MoneyInside", self:GetNWString("MoneyInside") + MoneyPrint)

self.sparking = false
timer.Simple(10, function() PrintMore(self) end)
end

function ENT:Think()

if self:WaterLevel() > 0 then
self:Destruct()
self:Remove()
return
end

if not self.sparking then return end

local effectdata = EffectData()
effectdata:SetOrigin(self:GetPos())
effectdata:SetMagnitude(1)
effectdata:SetScale(1)
effectdata:SetRadius(2)
util.Effect("Sparks", effectdata)
end