# ERR\_FORMAT : Unsupported file or audio format.

**URL:** <https://qa.fmod.com/t/err-format-unsupported-file-or-audio-format/18072>\
**Category:** Unity\
**Created:** [December 8, 2021, 10:20pm UTC](https://qa.fmod.com/t/err-format-unsupported-file-or-audio-format/18072 "2021-12-08T22:20:24Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![shj6078](https://avatars.discourse-cdn.com/v4/letter/s/8e7dd6/32.png) [@shj6078](https://qa.fmod.com/u/shj6078)\
**Post date:** [December 8, 2021, 10:20pm UTC](https://qa.fmod.com/t/err-format-unsupported-file-or-audio-format/18072/1 "2021-12-08T22:20:24Z")

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There is error issue in mobile platform (android, ios) After upgrade “Unity For FMOD” Asset (ver 1.02.09 → ver 1.02.11)

The Error is below

================================================================================================================================================================

Type : Exception  
Main Thread ID : 1  
Time : 8.032796  
Condition : BankLoadException: [FMOD] Could not load bank ‘Master’ : ERR\_FORMAT : Unsupported file or audio format.  
Stack: FMODUnity.RuntimeManager.LoadBank (UnityEngine.TextAsset asset, System.Boolean loadSamples) (at \<00000000000000000000000000000000\>:0)  
SoundManager+\<\>c.b\_\_17\_0 (AddressableAsset`1[T] textAsset) (at <00000000000000000000000000000000>:0) AssetManager+<>c__DisplayClass6_0`1[T].b\_\_0 (UnityEngine.ResourceManagement.AsyncOperations.AsyncOperationHandle`1[TObject] op) (at <00000000000000000000000000000000>:0) System.Action`1[T].Invoke (T obj) (at \<00000000000000000000000000000000\>:0)  
DelegateList`1[T].Invoke (T res) (at <00000000000000000000000000000000>:0) UnityEngine.ResourceManagement.AsyncOperations.AsyncOperationBase`1[TObject].InvokeCompletionEvent () (at \<00000000000000000000000000000000\>:0)  
UnityEngine.ResourceManagement.AsyncOperations.AsyncOperationBase`1[TObject].Complete (TObject result, System.Boolean success, System.Exception exception, System.Boolean releaseDependenciesOnFailure) (at <00000000000000000000000000000000>:0) UnityEngine.ResourceManagement.AsyncOperations.ProviderOperation`1[TObject].ProviderCompleted[T] (T result, System.Boolean status, System.Exception e) (at \<00000000000000000000000000000000\>:0)  
UnityEngine.ResourceManagement.ResourceProviders.ProvideHandle.Complete[T] (T result, System.Boolean status, System.Exception exception) (at \<00000000000000000000000000000000\>:0)  
UnityEngine.ResourceManagement.ResourceProviders.BundledAssetProvider+InternalOp.CompleteOperation () (at \<00000000000000000000000000000000\>:0)  
UnityEngine.AsyncOperation.InvokeCompletionEvent () (at \<00000000000000000000000000000000\>:0)  
DelegateList`1:Invoke(T)  
UnityEngine.AsyncOperation:InvokeCompletionEvent()

====================================================================================================================================================================================

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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:** [December 8, 2021, 11:22pm UTC](https://qa.fmod.com/t/err-format-unsupported-file-or-audio-format/18072/2 "2021-12-08T23:22:44Z")

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This appears to be a duplicate of your original post here :

> [@Android/IOS Error, ERR\_FORMAT : Unsupported file or audio format](https://qa.fmod.com/t/android-ios-error-err-format-unsupported-file-or-audio-format/18057):
>
> There is error issue in mobile platform (android, ios) After upgrade “Unity For FMOD” Asset (ver 1.02.09 → ver 1.02.11) I use to Bank Import Type AssetBundle And Unity version 2021.2.4f1 The Error is below Type : Exception Main Thread ID : 1 Time : 8.032796 Condition : BankLoadException: [FMOD] Could not load bank 'Master' : ERR\_FORMAT : Unsupported file or audio format. Stack: FMODUnity.RuntimeManager.LoadBank (UnityEngine.TextAsset asset, System.Boolean loadSamples) (at \<00000000000000000…

We’ll address the issue in your original post.