Problem with PHYSICS EDITOR

Hi i understand now how to import items from this tutorial 

 

https://www.codeandweb.com/blog/2012/05/24/getting-started-with-coronasdk-and-physicseditor-tutorial

 

but i have problem when i import 2 items from physics editor

in 160 lines (shapedefs.lua) i have error so i delete “,” and now i have other error in 202 line

 

line 201   function physics:get(name)

line 202   return unpack(self.data[name]);

line 203   end

 

shapedefs.lua:bad argument #1 to ‘unpack’ (table expected, got nil)

stack traceback:

[C]: in function ‘unpack’

shapedefs.lua:202: in function ‘get’

main.lua:28: in main chunk

 

Please help me. I cant give up. I must do my game.