# Errors when playing sound

**URL:** <https://qa.fmod.com/t/errors-when-playing-sound/19164>\
**Category:** Unity\
**Tags:** unity\
**Created:** [August 21, 2022, 10:37am UTC](https://qa.fmod.com/t/errors-when-playing-sound/19164 "2022-08-21T10:37:46Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Songerk](https://avatars.discourse-cdn.com/v4/letter/s/a8b319/32.png) [@Songerk](https://qa.fmod.com/u/Songerk)\
**Post date:** [August 21, 2022, 10:37am UTC](https://qa.fmod.com/t/errors-when-playing-sound/19164/1 "2022-08-21T10:37:46Z")

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![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/3/3b5dca27b285e66007340e28072f74a7d1b8e8a4.jpeg)

I have two errors and I have no idea why.

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**Author:** ![Songerk](https://avatars.discourse-cdn.com/v4/letter/s/a8b319/32.png) [@Songerk](https://qa.fmod.com/u/Songerk)\
**Post date:** [August 21, 2022, 10:42am UTC](https://qa.fmod.com/t/errors-when-playing-sound/19164/2 "2022-08-21T10:42:50Z")

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![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/d/df901316a384935782ffc90986164c39c20f7d21.png)  
and that is the code I am using

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**Author:** ![jeff\_fmod](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/jeff_fmod/32/1766_2.png) [@jeff\_fmod](https://qa.fmod.com/u/jeff_fmod)\
**Post date:** [August 24, 2022, 5:01am UTC](https://qa.fmod.com/t/errors-when-playing-sound/19164/3 "2022-08-24T05:01:16Z")

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The first one is saying it can’t set a parameter because there is no handle to the underlying `Channel` of your FootStepSounds `EventInstance`. I suspect FootStepSounds hasn’t been created correctly, can you please share a code snippet of when FootStepSounds is created?