Problem calling lua functions

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Problem calling lua functions

Hello there, I've been trying to create a callback for a button using luabind, but when a click the buttons I get a segfault.

Here is the function i use to register the C++ functions to lua:

void Callback::registerCallbacks( lua_State *L ) {
    using namespace luabind;
    module( L ) [
                def( "game_quit", &Callback::game_quit ),
                def( "game_start", &Callback::game_start ),
                def( "game_load", &Callback::game_load ),
                def( "start_battle", &Callback::start_battle )

This is how i retrieve the function from lua:

typedef LuaFunction luabind::object;
cbk = new LuaFunction( button.getLuaType );

button is of class LuaTable, a wrapper I've made for luabind::object.
cbk is a pointer to a luabind::object.

if I use (*cbk)(); right after, the function runs fine.

But then, I send cbk to a Button constructor which does:
callback = cbk;

And when callback is called inside the button:

void Button::activate(){
    activated = 8;

I get a segmentation fault.


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