Spawning Entity on Server Start

[rrkpp_]

So say I have an entity that works fine if you spawn it from the Entities tab in Spawnmenu, how would I go about making it spawn correctly whenever the server its on starts?

The entity is in addon format and the angles and positions are all set in the entity files itself, I just need to know how to spawn the entity at server start.

I've tried putting a file in lua/autorun of the addon folder:

[lua]
function SpawnScoreboard()

local ent = ents.Create( "LuaScoreboard" )
ent:SetNWString("Owner", "World")
ent:Spawn()

end
hook.Add("InitPostEntity", "SpawnScoreboard", SpawnScoreboard)
[/lua]

But no success. All it does is spawn me the entity in the wrong place at the wrong angles, and I get errors from deep within the draw functions.

This should be very simple but somehow I'm not getting it, your help is appreciated :3

[Gbps]

[lua]
local function SpawnScoreboard()

local ent = ents.Create( "LuaScoreboard" )
ent:SetPos(Vector(0,0,100)) // Use "getpos" in console to find a position
ent:SetAngles(Angle(0,0,0))
ent:SetNWString("Owner", "World")
ent:Spawn()
ent:Activate()

end
hook.Add("InitPostEntity", "SpawnScoreboard", SpawnScoreboard)
[/lua]
You'll need to add in the rest