# Error when loading gallery - I dont know how to load mc before as

**URL:** <https://forum.kirupa.com/t/error-when-loading-gallery-i-dont-know-how-to-load-mc-before-as/312520>\
**Category:** flash\
**Created:** [August 5, 2010, 3:55pm UTC](https://forum.kirupa.com/t/error-when-loading-gallery-i-dont-know-how-to-load-mc-before-as/312520 "2010-08-05T15:55:33Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jaqqb](https://avatars.discourse-cdn.com/v4/letter/j/b9bd4f/32.png) [@jaqqb](https://forum.kirupa.com/u/jaqqb)\
**Post date:** [August 5, 2010, 3:55pm UTC](https://forum.kirupa.com/t/error-when-loading-gallery-i-dont-know-how-to-load-mc-before-as/312520/1 "2010-08-05T15:55:33Z")

</div>

Hi!

first of all: sorry my English

I have problem with loading gallery - null object error.  
I don’t know where I’m supposed to add code

```auto
 addEventListener[COLOR=#66CC66]([/COLOR]Event.[COLOR=#006600]ADDED_TO_STAGE[/COLOR],Init[COLOR=#66CC66]).......[/COLOR] 

```

in this gallery are many \*.as files and I’m noob in as3.

the gallery works when is execute by its own swf.

The main page is named Page.swf/fla (I created a new doc)  
the gallery is named gallery.swf/fla

this is not commercial project, pleas help