NoCollisionPlayer script

script.Parent = game:GetService("ServerScriptService")

local PhysService = game:GetService("PhysicsService")
local PlayerGroup = PhysService:CreateCollisionGroup("p")
PhysService:CollisionGroupSetCollidable("p","p",false)

function NoCollide(model)
 for k,v in pairs(model:GetChildren()) do
  if v:IsA"BasePart" then
   PhysService:SetPartCollisionGroup(v,"p")
  end
 end
end

game:GetService("Players").PlayerAdded:connect(function(player)
 player.CharacterAdded:connect(function(char)
  char:WaitForChild("HumanoidRootPart")
  char:WaitForChild("Head")
  char:WaitForChild("Humanoid")
  wait(0.1)
  NoCollide(char)
 end)

 if player.Character then
  NoCollide(player.Character)
 end
end)