# What is it?

**URL:** <https://forum.kirupa.com/t/what-is-it/305387>\
**Category:** Uncategorized\
**Created:** [February 24, 2010, 1:36pm UTC](https://forum.kirupa.com/t/what-is-it/305387 "2010-02-24T13:36:00Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Luigi\_Vercotti](https://avatars.discourse-cdn.com/v4/letter/l/b2d939/32.png) [@Luigi\_Vercotti](https://forum.kirupa.com/u/Luigi_Vercotti)\
**Post date:** [February 24, 2010, 1:36pm UTC](https://forum.kirupa.com/t/what-is-it/305387/1 "2010-02-24T13:36:00Z")

</div>

> TypeError: Error #1009: Cannot access a property or method of a null object reference.  
> at index\_v23\_24\_02\_2010\_Title\_fla::buttonsDays\_mc\_38/frame22()

Any idea what is it? I think something to do with my instance of movie clip. I tried to find it but I cannot. I can not find any reference to symbol, button…nothing.

I’ve got symbol with instance name buttonsDays\_mc but what about the number 38…that doesn’t make sense at all…for me.

any clue…?