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Question by ErraticVelocity · Aug 09, 2017 at 09:24 AM · build-error

Game Failing on Build for Windows Error says facebook is missing files?

so the game runs fine in the editor but when i go to build i get the following errors:

    error CS0006: Metadata file `C:\Program Files\Unity\Editor\Data\PlaybackEngines\Facebook/Managed/UnityEngine.dll' could not be found
     
     Compilation failed: 1 error(s), 0 warnings


 Error building Player because scripts had compiler errors
 

 UnityEditor.BuildPlayerWindow+BuildMethodException: Build failed with errors.
   at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer (BuildPlayerOptions options) [0x001b9] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:162 
   at UnityEditor.BuildPlayerWindow.CallBuildMethods (Boolean askForBuildLocation, BuildOptions defaultBuildOptions) [0x00050] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:83 
 UnityEditor.HostView:OnGUI()


Thing is im not building for facebook, im building for windows so im not sure where facebook comes into play? either way im lost any help would be appreciated thanks

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avatar image SeigneurNecron · Aug 22, 2017 at 08:27 PM 0
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I have the exact same problem (Unity 2017.1.0p4), did you find a solution ?

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Answer by AAK_Lebanon · Sep 19, 2017 at 08:49 PM

You can copy the "Managed" folder from "C:\Program Files\Unity\Editor\Data\PlaybackEngines\windowsstandalonesupport" to the "C:\Program Files\Unity\Editor\Data\PlaybackEngines\Facebook" folder and this should resolve your problem.

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avatar image diego200052 · Sep 22, 2017 at 06:48 PM 0
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Hi, I tried your solution and Unity started to compile my game. Thanks.

avatar image $$anonymous$$ · Nov 28, 2017 at 01:20 PM 0
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It's fix the problem. But i have just one question to developers (i know they never read this comment): why should we do this manually...?

avatar image AAK_Lebanon · Nov 29, 2017 at 07:19 AM 0
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we do this manually because of a bug in unity installation I think, where a module will impact another module (that happened to me in preview versions of unity too). this can be resolved in later versions...

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Answer by SeigneurNecron · Aug 23, 2017 at 04:16 AM

As a temporary solution, if you don't need to build for the Facebook platform, you can just delete the following folder: "C:\Program Files\Unity\Editor\Data\PlaybackEngines\Facebook".

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avatar image HyblockerDevelopment · Jan 28, 2018 at 08:07 PM 0
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does this break Unity or something?

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Answer by HyblockerDevelopment · Jun 01, 2018 at 09:00 AM

Updating Unity to the latest version worked for me.

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