TechAcquired event crashes scenarios

[Thalassicus]

1. Create a scenario map.
2. Create a lua mod which prints the names of players who acquire technologies:
   

   function NewTech(playerID, techID)    
       local player = Players[playerID]
       print(tostring(playerID) .. " " .. tostring(techID))
       print(tostring(player))
       print(tostring(player.GetName))
       print(tostring(player:GetName()))
   end
   Events.TechAcquired.Add(NewTech)

3. Enable the mod.
4. Start the scenario.
5. When a citystate acquires a technology, the game crashes:
   

   8 1
   table: 136B7B18
   function: 135F82B0
   Napoleon
   
   9 1
   table: 136B7BB8
   function: 135F82B0
   (crash to desktop)