# FMOD\_RESULT returns error 30(invalid handle) but everything seems to work

**URL:** <https://qa.fmod.com/t/fmod-result-returns-error-30-invalid-handle-but-everything-seems-to-work/14554>\
**Category:** FMOD Engine\
**Created:** [April 10, 2019, 1:38pm UTC](https://qa.fmod.com/t/fmod-result-returns-error-30-invalid-handle-but-everything-seems-to-work/14554 "2019-04-10T13:38:21Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Morbus](https://avatars.discourse-cdn.com/v4/letter/m/c68b51/32.png) [@Morbus](https://qa.fmod.com/u/Morbus)\
**Post date:** [April 10, 2019, 1:38pm UTC](https://qa.fmod.com/t/fmod-result-returns-error-30-invalid-handle-but-everything-seems-to-work/14554/1 "2019-04-10T13:38:21Z")

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When I try to modify values in parameters FMOD\_RESULT returns error 30 but the parameters seem to be applied properly and all effects seem to work, does anyone know why this could be?

provided is my function for setting parameters

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/1X/bfb70941fe8c652d7d2afe2744fb636b7f22d2b3.png)

and my function call

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/1X/29b1a10d5009108c06c3817981cd9076b3276c3e.png)  
 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/1X/dd1c40240e44e68976b7bb8b3545fffc2ed26127.png)

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<div class="post-metadata">

**Author:** ![cameron-fmod](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/cameron-fmod/32/261_2.png) [@cameron-fmod](https://qa.fmod.com/u/cameron-fmod)\
**Post date:** [April 15, 2019, 1:40am UTC](https://qa.fmod.com/t/fmod-result-returns-error-30-invalid-handle-but-everything-seems-to-work/14554/2 "2019-04-15T01:40:55Z")

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Error 30 is “ERR\_INVALID\_HANDLE”, the handle in this case is the pointer to the object (eg. event, parameter).

Which line/s are returning that error?