# DllNotFoundException: fmodstudio on Mac

**URL:** <https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483>\
**Category:** Unity\
**Created:** [November 27, 2020, 9:23am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483 "2020-11-27T09:23:31Z")\
**Posts on this page:** 20\
**Page:** 1

<div class="post-metadata">

**Author:** ![AhmadF](https://avatars.discourse-cdn.com/v4/letter/a/f08c70/32.png) [@AhmadF](https://qa.fmod.com/u/AhmadF)\
**Post date:** [November 27, 2020, 9:23am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/1 "2020-11-27T09:23:31Z")

</div>

I build a project using Windows for Mac  
When I tested in Windows Unity with Mac selected as target platform and everything worked fine without error, but when I actually build it and run it on a Mac this error appears

---

<div class="post-metadata">

**Author:** ![csumsky3](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/csumsky3/32/494_2.png) [@csumsky3](https://qa.fmod.com/u/csumsky3)\
**Post date:** [November 30, 2020, 9:16pm UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/2 "2020-11-30T21:16:17Z")

</div>

This same thing happens to me. Here’s a screenshot of the log that shows it:

 ![mac bootup error 2](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/c/c6fea616940c0736a8d7eac54fad6eb0cafa18e9.jpeg)

We recently updated Unity to 2019.4.14f1 (from 2019.2.21f1), not sure if that would have anything to do with it. We’re on FMOD version 2.01.05 (the latest Unity verified version). Maybe I’ll try updating to 2.01.06 next?

This is on Mac OS 11.0.1 (Big Sur)

---

<div class="post-metadata">

**Author:** ![mathew](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/mathew/32/431_2.png) [@mathew](https://qa.fmod.com/u/mathew)\
**Post date:** [December 1, 2020, 12:38am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/3 "2020-12-01T00:38:51Z")

</div>

If you make an empty Unity project and just install FMOD into it do you get this problem?  
If not could you share the full player log?

We’ve not been able to reproduce this, I’m using Unity 2019.4.15f1 on 11.0.1 (Big Sur) with FMOD 2.01.05 from the Unity store.

---

<div class="post-metadata">

**Author:** ![chaixldh](https://avatars.discourse-cdn.com/v4/letter/c/d78d45/32.png) [@chaixldh](https://qa.fmod.com/u/chaixldh)\
**Post date:** [December 1, 2020, 12:06pm UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/4 "2020-12-01T12:06:41Z")

</div>

We met the same issue on macOS Big Sur, using Unity 2019.4.14f1

---

<div class="post-metadata">

**Author:** ![csumsky3](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/csumsky3/32/494_2.png) [@csumsky3](https://qa.fmod.com/u/csumsky3)\
**Post date:** [December 1, 2020, 5:14pm UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/5 "2020-12-01T17:14:16Z")

</div>

Is there any way to make that kind of sample project and play an actual sound? Without making sounds in FMOD studio (which isn’t something I know how to do… I just handle the Unity code side of things).

I ask because, according to the logs I shared, the error only reveals itself when I try to play a sound. So I suspect in a sample project the error won’t happen until I attempt to play a valid sound.

---

<div class="post-metadata">

**Author:** ![mathew](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/mathew/32/431_2.png) [@mathew](https://qa.fmod.com/u/mathew)\
**Post date:** [December 3, 2020, 3:43am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/6 "2020-12-03T03:43:55Z")

</div>

You will need sounds made in FMOD Studio to get started.  
The simplest thing to do would be to open our examples project in Studio and build the banks.  
Then connect Unity to the Studio project and setup an emitter.

The basics are described in our [user guide](https://fmod.com/resources/documentation-unity?version=2.1&page=user-guide.html).

---

<div class="post-metadata">

**Author:** ![erdem224](https://avatars.discourse-cdn.com/v4/letter/e/71c47a/32.png) [@erdem224](https://qa.fmod.com/u/erdem224)\
**Post date:** [December 3, 2020, 7:18am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/7 "2020-12-03T07:18:58Z")

</div>

same issue on macOS using Unity 2020.1.15f1

---

<div class="post-metadata">

**Author:** ![mathew](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/mathew/32/431_2.png) [@mathew](https://qa.fmod.com/u/mathew)\
**Post date:** [December 3, 2020, 11:16pm UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/8 "2020-12-03T23:16:13Z")

</div>

@erdem224 Is this a new project? Can you test with an empty Unity project playing one of our examples?

For everyone with this issue, make sure you’ve deleted fmodstudioL.bundle before updating as per the [update instructions](https://fmod.com/resources/documentation-unity?version=2.1&page=user-guide.html#updating-the-plugin).

We’re keen to identify the cause of this but after many attempts have been unable to reproduce it, if anyone can share clear steps we can repeat here and cause this we’d be most appreciative.

---

<div class="post-metadata">

**Author:** ![csumsky3](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/csumsky3/32/494_2.png) [@csumsky3](https://qa.fmod.com/u/csumsky3)\
**Post date:** [December 11, 2020, 7:20pm UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/9 "2020-12-11T19:20:20Z")

</div>

Finally had a chance to try fully reimporting the plugin, and that worked! So who knows… glad it’s working now though!

---

<div class="post-metadata">

**Author:** ![YWainczak](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/ywainczak/32/1937_2.png) [@YWainczak](https://qa.fmod.com/u/YWainczak)\
**Post date:** [February 17, 2021, 7:48pm UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/10 "2021-02-17T19:48:29Z")

</div>

I’m also facing the same issue with Unity 2019.4.10f1 using FMOD 2.01.05. Is the solution here to update FMOD?

Here’s a [pastebin](https://pastebin.com/yfsSncYQ) with the errors running on Mac, any help would be greatly appreciated!

---

<div class="post-metadata">

**Author:** ![mathew](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/mathew/32/431_2.png) [@mathew](https://qa.fmod.com/u/mathew)\
**Post date:** [February 18, 2021, 2:25am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/11 "2021-02-18T02:25:30Z")

</div>

Do you have this problem if you integrate FMOD into a fresh empty Unity project?

---

<div class="post-metadata">

**Author:** ![YWainczak](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/ywainczak/32/1937_2.png) [@YWainczak](https://qa.fmod.com/u/YWainczak)\
**Post date:** [March 15, 2021, 9:19pm UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/12 "2021-03-15T21:19:02Z")

</div>

I haven’t tested that, but I completely removed FMOD from the project, and then reimported it which seems to have worked. That being said, when I clone from github, it breaks again.

Here’s my gitignore. This is the default one Github allows you to add to a project.

> **[FMOD gitignore - Pastebin.com](https://pastebin.com/fkPBJSxi)**
>
> Pastebin.com is the number one paste tool since 2002. Pastebin is a website where you can store text online for a set period of time.

---

<div class="post-metadata">

**Author:** ![mathew](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/mathew/32/431_2.png) [@mathew](https://qa.fmod.com/u/mathew)\
**Post date:** [March 16, 2021, 12:36am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/13 "2021-03-16T00:36:10Z")

</div>

This issue could be related to one we are tracking in another thread caused by line endings in the Info.plist. Please take a look at this other thread and try the command line I suggest on your broken project.

> [@MacOS DllNotFoundException: fmodstudioL](https://qa.fmod.com/t/macos-dllnotfoundexception-fmodstudiol/16452/29):
>
> Completely removing FMOD and installing again should work, I’ve just tested again locally importing 2.01.08 into an empty Unity project. Just to confirm it is indeed the line ending issue, can you open a terminal and type the following: nano -N Assets/Plugins/FMOD/lib/mac/fmodstudioL.bundle/Contents/Info.plist The -N in the above will ensure no file endings are swapped on open, if you have incorrect line endings you will see ^M on the end of every line. If you do see this I’m super curious how…

---

<div class="post-metadata">

**Author:** ![firenonsuch](https://avatars.discourse-cdn.com/v4/letter/f/f4b2a3/32.png) [@firenonsuch](https://qa.fmod.com/u/firenonsuch)\
**Post date:** [January 7, 2023, 2:33pm UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/14 "2023-01-07T14:33:58Z")

</div>

same issue on Unity 2021.3

DllNotFoundException: fmodstudioL assembly: type: member:(null)  
FMOD.Factory.System\_Create (FMOD.System& system) (at Assets/ThirdPlugins/FMOD/src/Runtime/wrapper/fmod.cs:766)

---

<div class="post-metadata">

**Author:** ![Connor\_FMOD](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/connor_fmod/32/3685_2.png) [@Connor\_FMOD](https://qa.fmod.com/u/Connor_FMOD)\
**Post date:** [January 10, 2023, 3:26am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/15 "2023-01-10T03:26:20Z")

</div>

Hi,

Which version of FMOD are you using?

Can I get a screenshot of your FMOD Plugin within Unity exposing the `mac` platform:  
 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/e/e7743f61e5054f66ccf781e1817b578c2f95b533.png)

---

<div class="post-metadata">

**Author:** ![Mortiss3nity](https://avatars.discourse-cdn.com/v4/letter/m/3e96dc/32.png) [@Mortiss3nity](https://qa.fmod.com/u/Mortiss3nity)\
**Post date:** [January 18, 2023, 11:48am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/16 "2023-01-18T11:48:39Z")

</div>

Hi! We’re having the same problem here.  
Unfortunately our project doesn’t run or build properly on Macs due to error:  
DllNotFoundException: fmodstudioL assembly: type: member:(null)

The problem is present on Mac Big Sur 11.6.1 & Monterey 12.1  
We use Unity 2021.3.4f1 and FMOD 2.02.07  
We tried all those things but nothing helps:

- an empty Unity project
- upgrade to 2021 Unity LTS
- changing line endings for Info.plist
- reinstalling fmod plugin
- modifying project permissions in macOS
- changing import type for native Unity modules

---

<div class="post-metadata">

**Author:** ![Connor\_FMOD](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/connor_fmod/32/3685_2.png) [@Connor\_FMOD](https://qa.fmod.com/u/Connor_FMOD)\
**Post date:** [January 20, 2023, 5:36am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/17 "2023-01-20T05:36:56Z")

</div>

Hi,

Can I confirm the operating system you are using to make the builds?

---

<div class="post-metadata">

**Author:** ![Mortiss3nity](https://avatars.discourse-cdn.com/v4/letter/m/3e96dc/32.png) [@Mortiss3nity](https://qa.fmod.com/u/Mortiss3nity)\
**Post date:** [January 23, 2023, 12:38pm UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/18 "2023-01-23T12:38:49Z")

</div>

We’re using this one to make builds:

> [@Mortiss3nity](#):
>
> Monterey 12.1

---

<div class="post-metadata">

**Author:** ![Connor\_FMOD](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/connor_fmod/32/3685_2.png) [@Connor\_FMOD](https://qa.fmod.com/u/Connor_FMOD)\
**Post date:** [January 27, 2023, 3:19am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/19 "2023-01-27T03:19:32Z")

</div>

Unfortunately, I am not able to reproduce the issue.

Are you getting the integration from the Unity package manager or are you downloading it from our site?

With the integration installed could I get a screenshot of your `Assets -> Plugins -> FMOD -> platforms -> mac`

---

<div class="post-metadata">

**Author:** ![ikvant](https://avatars.discourse-cdn.com/v4/letter/i/8dc957/32.png) [@ikvant](https://qa.fmod.com/u/ikvant)\
**Post date:** [May 7, 2025, 8:30am UTC](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483/20 "2025-05-07T08:30:03Z")

</div>

Same issue on Unity 2022.3, FMOD 2.03.07, Apple silicon 15.4.

In my case, the error only occurs in the development build under macOS.  
I have tried completely deleting FMOD and re-importing. Forced replace CRLF to LF on all files. But it didn’t help.

The problem turned out to be that in the development build FMOD connects fmodstudioL.lib instead of fmodstudio.lib, but in the import settings it has only Intel 64-bit processor selected and this library is not included in the dev-build for Apple Silicon.

I changed the CPU setting for fmodstudioL to AnyCPU and the build started without errors.  
Hopefully this will be fixed in some update, but it took me two days to find the cause.

 ![image](https://canada1.discourse-cdn.com/flex036/uploads/fmod/original/2X/1/116b577d938733d3ba4b16b5547a719d1647631e.png)

[Next page](https://qa.fmod.com/t/dllnotfoundexception-fmodstudio-on-mac/16483.md?page=2)
