# Unity Integral 1.05.10 WindowsPhone8 Build error..

**URL:** <https://qa.fmod.com/t/unity-integral-1-05-10-windowsphone8-build-error/11772>\
**Category:** Unity\
**Created:** [December 24, 2014, 3:28am UTC](https://qa.fmod.com/t/unity-integral-1-05-10-windowsphone8-build-error/11772 "2014-12-24T03:28:57Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![popple](https://avatars.discourse-cdn.com/v4/letter/p/e99b99/32.png) [@popple](https://qa.fmod.com/u/popple)\
**Post date:** [December 24, 2014, 3:28am UTC](https://qa.fmod.com/t/unity-integral-1-05-10-windowsphone8-build-error/11772/1 "2014-12-24T03:28:57Z")

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Error building Player: Exception: Error: method `System.String[] System.IO.File::ReadAllLines(System.String)` doesn’t exist in target framework. It is referenced from Assembly-CSharp-firstpass.dll at System.Void FMOD\_Listener::Initialize().

i found the answer

“We have added Windows Phone support in the latest release: 1.05.02.” it’s not truth…

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**Author:** ![nick1](https://avatars.discourse-cdn.com/v4/letter/n/47e85d/32.png) [@nick1](https://qa.fmod.com/u/nick1)\
**Post date:** [January 5, 2015, 6:30am UTC](https://qa.fmod.com/t/unity-integral-1-05-10-windowsphone8-build-error/11772/2 "2015-01-05T06:30:57Z")

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We only support Windows Phone 8.1. In the Unity build settings, choose Windows Store as the platform, and then change SDK to “Phone 8.1”.