# AS3 basic beginner error?

**URL:** https://forum.kirupa.com/t/as3-basic-beginner-error/222926
**Category:** flash
**Created:** [April 18, 2007, 2:25am UTC](https://forum.kirupa.com/t/as3-basic-beginner-error/222926 "2007-04-18T02:25:13Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![Aquilonian](https://avatars.discourse-cdn.com/v4/letter/a/97f17d/32.png) [@Aquilonian](https://forum.kirupa.com/u/Aquilonian)
#### Post date: [April 18, 2007, 2:25am UTC](https://forum.kirupa.com/t/as3-basic-beginner-error/222926/1 "2007-04-18T02:25:13Z")

</div>

I create a square, f8 him, put in the linkage identifyer: bo  
then i go:  
var gh:bo = new bo();  
addChild(gh);

And then flash says something like ‘error something, the class bo could not be found’  
I dont understand, how could it not be found if is self generated?