# Crash report for some advice

**URL:** <https://qa.fmod.com/t/crash-report-for-some-advice/20833>\
**Category:** FMOD Engine\
**Tags:** cpp\
**Created:** [November 2, 2023, 1:04pm UTC](https://qa.fmod.com/t/crash-report-for-some-advice/20833 "2023-11-02T13:04:32Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ikarosu](https://avatars.discourse-cdn.com/v4/letter/i/d6d6ee/32.png) [@ikarosu](https://qa.fmod.com/u/ikarosu)\
**Post date:** [November 2, 2023, 1:04pm UTC](https://qa.fmod.com/t/crash-report-for-some-advice/20833/1 "2023-11-02T13:04:32Z")

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Hi, my program crashed in fmod64.dll recently, at fmod\_dspi.cpp line 1769, where variable “connection-\>mOutputUnit” was a nullptr, which caused access violation in the following code.  
I’m working on Windows with FMod API 1.10.20.

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/8/858f5d8e5f3946cb51fa9925d87a4fa7c9bdab98.png)  
I would appreciate if I could learn something about the reason which caused the crash and prevent it from happen again. Or would you like to show how to fix it?

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<div class="post-metadata">

**Author:** ![Andrew](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/andrew/32/261_2.png) [@Andrew](https://qa.fmod.com/u/Andrew)\
**Post date:** [November 3, 2023, 12:26am UTC](https://qa.fmod.com/t/crash-report-for-some-advice/20833/2 "2023-11-03T00:26:50Z")

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Hello. Please email [support@fmod.com](mailto:support@fmod.com) with details about the name of your game etc. and we’ll address this via email.