# Master.strings.bank not building

**URL:** <https://qa.fmod.com/t/master-strings-bank-not-building/17724>\
**Category:** FMOD Studio\
**Tags:** ue4\
**Created:** [September 27, 2021, 4:04pm UTC](https://qa.fmod.com/t/master-strings-bank-not-building/17724 "2021-09-27T16:04:46Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![ptrefall](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/ptrefall/32/2672_2.png) [@ptrefall](https://qa.fmod.com/u/ptrefall)\
**Post date:** [September 27, 2021, 4:04pm UTC](https://qa.fmod.com/t/master-strings-bank-not-building/17724/1 "2021-09-27T16:04:47Z")

</div>

Hi, recently I had an issue where the latest events we created for the project didn’t load in Unreal. I cleaned out all the generated files and noticed that when I re-built from FMOD Studio, the Master.strings.bank file wasn’t generated.

We’ve had a File not found error occur in our Master.bank when we’ve tried to build for a while, but it seemed enough to just click Ignore and everything would export into Unreal correctly. Beyond that there’s no hint in the log about what is going wrong.

Any tips / guidance on how I can proceed would be really appreciated!

---

<div class="post-metadata">

**Author:** ![ptrefall](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/ptrefall/32/2672_2.png) [@ptrefall](https://qa.fmod.com/u/ptrefall)\
**Post date:** [September 27, 2021, 4:12pm UTC](https://qa.fmod.com/t/master-strings-bank-not-building/17724/2 "2021-09-27T16:12:44Z")

</div>

By removing my use of convolution reverb, the error went away and the Master.strings.bank built again. It would have been nice if we could get a slightly more relevant error message that could perhaps hint at exactly which convolution reverb result in this error.

---

<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:** [September 28, 2021, 3:32am UTC](https://qa.fmod.com/t/master-strings-bank-not-building/17724/3 "2021-09-28T03:32:25Z")

</div>

Might be related to this?

> [@Known issues for 2.01.08](https://qa.fmod.com/t/known-issues-for-2-01-08/16782):
>
> There are known issues in the FMOD API 2.01.08 release. This can negatively affect users so this post has been made to detail them and provide workarounds. FMOD Studio. Issue #1 : Build error with Convolution Reverb [image] Description : Building banks when using convolution reverb will cause a build error. Platforms: All Resolution : Pressing ignore will continue to build the bank without convolution reverb. Otherwise use 2.01.07 for the time being. This will be fixed in 2.01.09. Issu…