Explosion problems

[WoodzyX88]

I'm working on adding a trip mine to a TTT server, and it works really well, except for most of the time the explosion causes the victims Garry's mod to crash to desktop.
Any Help, and its not a computer specs problem, since i have tested it with other people.

-- Trip Mine ENT.
local config = ttt_perky_config

ENT.Type 	 = "anim"
ENT.Model 	 = Model( "models/weapons/w_slam.mdl" )
ENT.Health = config.tripmine_health
ENT.BlastRadius = 350
ENT.BlastDamage = 10000
ENT.Health = 50
ENT.CanUseKey = true
ENT.CanHavePrints = true
local explodeSound = Sound( 'weapons/explode3.wav' )
local calibrateSound = Sound( 'weapons/slam/mine_mode.wav' )

if SERVER then 
	AddCSLuaFile("shared.lua") 
end

if CLIENT then
   -- this entity can be DNA-sampled so we need some display info
   ENT.Icon = "VGUI/ttt/icon_tripmine"
   ENT.PrintName = "Trip Mine"
end

function ENT:Initialize()
	self.Entity:SetModel( self.Model )
	self.Entity:PhysicsInit( SOLID_VPHYSICS )
	self.Entity:SetMoveType( MOVETYPE_NONE )
	self.Entity:SetSolid( SOLID_VPHYSICS )
	self.Entity:SetHealth( self.Health )
	if SERVER then
	    self.Entity:SetMaxHealth( self.Health )
		self.Entity:SetUseType( SIMPLE_USE )
	end
	self.fingerprints = {}
	timer.Simple( 2, self.Calibrate, self )
end

function ENT:Calibrate()
	local pos = self:GetPos()
	local tr = util.QuickTrace( pos, self:GetUp()*10000, self.Entity )
	self.LaserLength = tr.Fraction
	self.LaserEndPos = tr.HitPos
	self.Calibrated  = true
	
	--self:CreateBeam( pos, tr.HitPos )
	
	self:EmitSound( calibrateSound )
end

function ENT:CreateBeam( startPos, endPos )
	if CLIENT then return end
	local beamEnd = ents.Create("info_target")
	beamEnd:SetKeyValue("targetname", "NULL" .. beamEnd:EntIndex() )
	beamEnd:SetPos( startPos + self:GetUp()*2 )
	beamEnd:Spawn()
	
	local beam = ents.Create("env_laser")
	beam:SetPos( endPos )
	beam:SetKeyValue( "renderamt", "75" )
	beam:SetKeyValue( "rendercolor", "255 0 0" )
	beam:SetKeyValue( "texture", "sprites/laserbeam.spr" )
	beam:SetKeyValue( "TextureScroll", "35")
	beam:SetKeyValue( "parentname", "")
	beam:SetKeyValue( "damage", "0")
	beam:SetKeyValue( "spawnflags", "1")
	beam:SetKeyValue( "width", "0.5")
	beam:SetKeyValue( "dissolvetype", "None")
	beam:SetKeyValue( "EndSprite", "")
	beam:SetKeyValue( "LaserTarget", "NULL" .. beamEnd:EntIndex() )
	beam:SetKeyValue( "TouchType", "0")
	beam:Spawn()
	
	self.beam = beam
	self.beamEnd = beamEnd
end

function ENT:Think()
	if self.Calibrated then
		local tr = util.QuickTrace( self:GetPos(), self:GetUp()*10000, self )
		if tr.Fraction < self.LaserLength then
			self:Explode()
		end
	end
end

function ENT:Explode()
	local pos = self:GetPos()
	local radius = self.BlastRadius
	local damage = self.BlastDamage
	self.exploded = true
	
	util.BlastDamage( self, self:GetOwner(), pos, radius, damage )
	local effect = EffectData()
	effect:SetStart(pos)
	effect:SetOrigin(pos)
	effect:SetScale(radius)
	effect:SetRadius(radius)
	effect:SetMagnitude(damage)
	util.Effect("Explosion", effect, true, true)
	
	self:Remove()
end

function ENT:Explode2()
	local effect = EffectData()
	effect:SetOrigin( self:GetPos() )
	util.Effect("cball_explode", effect)
	WorldSound( explodeSound, self:GetPos() )
end

function ENT:OnTakeDamage( dmginfo )
   self:SetHealth(self:Health() - dmginfo:GetDamage())
   if not self.exploded and self:Health() <= 0 then
      	self:Explode2()
		self:Remove()
   end
end

function ENT:UseOverride( pl )
	local wep = pl:Give( 'weapon_ttt_tripmine' )
	if IsValid( wep ) then
		wep.fingerprints = wep.fingerprints or {}
		table.Add( wep.fingerprints, self.fingerprints )
	end
	self:Remove()
end

if CLIENT then
	local Laser = Material( "cable/redlaser" )
	function ENT:Draw()
		self.Entity:DrawModel()
	
		if self.Calibrated then
			local pos = self:GetPos()
			render.SetMaterial( Laser )
			render.DrawBeam( pos, self.LaserEndPos, 0.2, 0, 0, Color( 255, 255, 255, 5 ) )
			self:SetRenderBoundsWS( pos, self.LaserEndPos )
		end
	end

[Talmera]

I tried perky's tripmine too and as far as I can tell it crashes the player when the laser beam comes into contact with an entity such as a door. Our communities coder is looking at it and I'll get back to you if he fixes it.

*Edit*

here is the error that the tripmine produces when the crash triggers.

Host_Error: CL_CopyExistingEntity: missing client entity 94.

*Edit**Edit*

It appears the entity number changes with each crash. Ranging from 61 to 94