Syntax error: start "string" near 'then"

[poXavincS]

Hi guys I am create a basic quest with use to item click. After is quest working but, I am complex to quest loop, show me this is error,

syntax error : [string "start"]:108: unexpected symbol near `then"

My quest line between 99 and 119 is;

PHP Code:

local _gold = select("500M","1T","Close")
if _gold == 1 then
     say_title("MyMT2 - 500M Buy")
     say("")
     if pc.get_gold() <= 500000000 then
         say("You haven't enough money!")
         local k = select("Close")
     else
         pc.change_money(-500000000)
         pc.give_item(3,1)
     end
elseif _gold == 2 then
     say_title("MyMT2 - 1T Buy")
     say("")
     if pc.get_gold() <= 1000000000 then
         say("You haven't enough money!")
         if pc.count_item(3) == 0 then
             say("And, you haven't 500M item as money!")
         end
         say("Just, You have "..pc.count_item(3).." piece 500M item as money.")
         local k = select("Close") 


Thank you for interest!

Good works..