Free type pack is escaping its module

[HarmosCreations]

This is a issue and i cannot send the whole script because it is a secret script. but ill try to send this. USING NEW TYPE SOLVER!

local sources = {
  Moderator = {
    Name = "Moderator",
    Color = Color3.new(1,1,1),
    Size = Vector3.one*2,
    Speed = 0,
  },
  ControlRod = {
    Name = "ControlRod",
    Color = Color3.new(0,0,0),
    Size = Vector3.one*2,
    Speed = 1,
  },
  Neutron = {
    Name = "Neutron",
    Color = Color3.new(0,0,1),
    Size = Vector3.one,
    Lifetime = 10,
    Speed = 20,
    FissionSoundId = "rbxassetid://7772739739",
    ReactiveTo = --important part of the issue!
      this.Sources.UnStableAtom.Name..","..
      this.Sources.PoisonAtom.Name..",".. 
      this.Sources.ControlRod.Name
  },
  StableAtom = {
    Name = "StableAtom",
    Color = Color3.new(0.5,0.5,0.5),
    Size = Vector3.one*2,
  },
  UnStableAtom = {
    Name = "UnStableAtom",
    Color = Color3.new(1,0,0),
    Size = Vector3.one*2,
    ChanceOfSpawning = 50/100,
    FissionProducts = {
      this.Sources.Neutron,
      this.Sources.Neutron,
      this.Sources.Neutron,
      this.Sources.RadioActiveAtom,
      this.Sources.RadioActiveAtom,
      {this.Sources.PoisonAtom, 5/100}, --product, chanceOfProduction
    },
  },
  RadioActiveAtom = {
    Name = "RadioActiveAtom",
    Color = Color3.new(1,1,0),
    Size = Vector3.one*2,
    Decay = 10,
    Speed = 2,
    RadioActiveSoundId = "rbxassetid://8009567525",
  },
  RadiationRay = {
    Name = "RadiationRay",
    Color = Color3.new(1,0,1),
    Size = Vector3.one,
    Lifetime = 10,
    Speed = 20,
  },
  PoisonAtom = {
    Name = "PoisonAtom",
    Color = Color3.new(0,1,0),
    Size = Vector3.one*2,
    Decay = 10,
  },
}

local function AtomFunctionality(child:BasePart)
  if (
    child.Name ~= sources.StableAtom.Name and 
    child.Name ~= sources.UnStableAtom.name and
    child.Name ~= sources.PoisonAtom.Name
  ) then return end
  
  local function connect(other:BasePart)
    local source = sources[other.Name]
    
    if (not source or source.Name ~= sources.Neutron.Name) then return end
    if (not source.ReactiveTo:find(other.Name)) then return end --issue started when i applied this --line of code.  so if i remove that if statement then the issue is gone.
    
    this:Fission(child, other)
    task.wait()
    child.Touched:Once(connect)
  end
  
  child.Touched:Once(connect)
end