# EVENT\_CALLBACK crash

**URL:** https://qa.fmod.com/t/event-callback-crash/12287
**Category:** Unity
**Created:** [February 3, 2016, 2:29am UTC](https://qa.fmod.com/t/event-callback-crash/12287 "2016-02-03T02:29:53Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![dreadmourn](https://avatars.discourse-cdn.com/v4/letter/d/35a633/32.png) [@dreadmourn](https://qa.fmod.com/u/dreadmourn)
#### Post date: [February 3, 2016, 2:29am UTC](https://qa.fmod.com/t/event-callback-crash/12287/1 "2016-02-03T02:29:53Z")

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On Editor and on Android device it works fine but when I try it on iOS it just crash when receiving a callback.

\*Edit  
Unity Version: 5.3.2f1  
FMOD Version 1.07.06

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<div class="post-metadata">

### Author: ![nick1](https://avatars.discourse-cdn.com/v4/letter/n/47e85d/32.png) [@nick1](https://qa.fmod.com/u/nick1)
#### Post date: [February 3, 2016, 3:07am UTC](https://qa.fmod.com/t/event-callback-crash/12287/2 "2016-02-03T03:07:52Z")

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See this [post](http://www.fmod.org/questions/question/reference-monobehaviours-from-pcmreadcallback/) which is about a different callback type but the solution is still relevant to EVENT\_CALLBACK. Also see [http://www.fmod.org/documentation/#content/generated/engine\_new\_unity/script\_example\_timeline.html](http://www.fmod.org/documentation/#content/generated/engine_new_unity/script_example_timeline.html)