Custom Printer Help

[Colonel Pickl]

I was coding a money printer where when you pressed e, it would pop up a menu where you could upgrade and collect from it...

I've got the VGUI popping up, the collect button does not work though, any idea why?

The error I get:

cl_init.lua

include("shared.lua")

function ENT:Initialize()
end

function ENT:Draw()
self:DrawModel()

local Pos = self:GetPos()
local Ang = self:GetAngles()

    local owner = self:Getowning_ent()
owner = (IsValid(owner) and owner:Nick()) or "unknown"

local txt1 = "Money Printer"
txt2 = "$" ..self:GetNWInt("PrintA")

surface.SetFont("HUDNumber5")
local TextWidth = surface.GetTextSize(txt1)
local TextWidth2 = surface.GetTextSize(txt2)
local TextWidth3 = surface.GetTextSize(owner)

Ang:RotateAroundAxis(Ang:Up(), 90)

cam.Start3D2D(Pos + Ang:Up() * 11.5, Ang, 0.11)
draw.WordBox(2, -TextWidth3*0.5, -78, owner, "HUDNumber5", Color(0, 0, 0, 100), Color(255,255,255,255))
draw.WordBox(2, -TextWidth*0.5, -30, txt1, "HUDNumber5", Color(0, 0, 0, 100), Color(255,255,255,255))
draw.WordBox(2, -TextWidth2*0.5, 18, txt2, "HUDNumber5", Color(0, 0, 0, 100), Color(255,255,255,255))
cam.End3D2D()
end
function printopen()
    local base = vgui.Create( "DFrame" )
    local button = vgui.Create( "DButton" )
        base:SetPos(ScrW()/2 - 150, ScrH()/2 - 100 )
        base:SetSize( 300, 200 )
        base:SetVisible( true )
        base:SetTitle( "Money Printer" )
        base:SetDraggable( false )
        base:ShowCloseButton( true )
        base:MakePopup()
        
        button:SetParent( base )
        button:SetText( "Collect Money" )
        button:Center()
        button:SetSize( 150, 50 )
        button.DoClick = function()
             LocalPlayer():ConCommand( "eject_money" )
        end
        end
usermessage.Hook( "userMenu", printopen )

init.lua

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)

local phys = self:GetPhysicsObject()
if phys:IsValid() then phys:Wake() end
self.damage = 100
self.IsMoneyPrinter = true
timer.Simple(1.0, function() PrintMore(self) end)
self:SetNWInt("PrintA",0)

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 < 6 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)
GAMEMODE:Notify(self:Getowning_ent(), 1, 4, "Your money printer has exploded!")
end

function ENT:BurstIntoFlames()
GAMEMODE:Notify(self:Getowning_ent(), 1, 4, "Your money printer is 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(5, 50) -- Explosion radius
self:Destruct()
for k, v in pairs(ents.FindInSphere(self:GetPos(), dist)) do
if not v:IsPlayer() and not v.IsMoneyPrinter then v:Ignite(math.random(5, 22), 0) end
end
self:Remove()
end

PrintMore = function(ent)
if IsValid(ent) then
ent.sparking = true
timer.Simple(1.0, function() ent:CreateMoneybag() end)
end
end

function ENT:CreateMoneybag()
    if not IsValid(self) then return end
        if self:IsOnFire() then return end
            local MoneyPos = self:GetPos()
            local printamount = 15
            local printtime = 10
        if math.random(1, 1000) == 3 then self:BurstIntoFlames() end
            local amount = self:GetNWInt("PrintA") + printamount
            self:SetNWInt("PrintA",amount)
            self.sparking = false
            timer.Simple(math.random(10, 15), function() PrintMore(self) end)
end
concommand.Add( "eject_money", function(activator) 
        if(activator:IsPlayer()) and Entity:GetNWInt("PrintA") >= 1 then
        activator:AddMoney(Entity:GetNWInt("PrintA"));
        GAMEMODE:Notify(activator, 1, 4, "You have collected $"..Entity:GetNWInt("PrintA").." from the Money Printer.")
        Entity:SetNWInt("PrintA",0)
    end 
    end 
);
function ENT:Use(activator, caller)
    umsg.Start( "userMenu", activator )
        umsg.Entity( self, activator );
    umsg.End()
end
function ENT:OnRemove()
if self.sound then
self.sound:Stop()
end
end

shared.lua

ENT.Type = "anim"
ENT.Base = "base_gmodentity"
ENT.PrintName = "Money Printer"
ENT.Author = "Render Case and philxyz"
ENT.Spawnable = false
ENT.AdminSpawnable = false

function ENT:SetupDataTables()
	self:NetworkVar("Int",0,"price")
	self:NetworkVar("Entity",1,"owning_ent")
end