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Error while building in Unity-ArgumentNullException: Argument cannot be null. Parameter name: path1
Hi,
I am attempting to complete the first tutorial. When I try to build the project in Unity I get the following error. Any help would be appreciated.
ArgumentNullException: Argument cannot be null.
Parameter name: path1
System.IO.Path.Combine (System.String path1, System.String path2) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.IO/Path.cs:112)
UnityEditor.Scripting.Compilers.UWPReferences.GetWindowsKit10 (System.String& folder, System.Version& version) (at C:/buildslave/unity/build/Editor/Mono/Scripting/Compilers/UWPReferences.cs:152)
UnityEditor.Scripting.Compilers.UWPReferences.GetReferences () (at C:/buildslave/unity/build/Editor/Mono/Scripting/Compilers/UWPReferences.cs:44)
UnityEditor.Scripting.Compilers.MicrosoftCSharpCompiler.GetAdditionalReferences (WSASDK wsaSDK) (at C:/buildslave/unity/build/Editor/Mono/Scripting/Compilers/MicrosoftCSharpCompiler.cs:375)
PostProcessUAP.GetAdditionalReferenceAssembliesDirectories () (at C:/buildslave/unity/build/PlatformDependent/MetroPlayer/Extensions/Managed/PostProcessUAP.cs:50)
PostProcessWinRT.RunSerializationWeaver () (at C:/buildslave/unity/build/PlatformDependent/WinRT/SharedSources/CSharp/PostProcessWinRT.cs:438)
PostProcessWinRT.Process () (at C:/buildslave/unity/build/PlatformDependent/WinRT/SharedSources/CSharp/PostProcessWinRT.cs:123)
UnityEditor.Metro.BuildPostprocessor.PostProcess (BuildPostProcessArgs args) (at C:/buildslave/unity/build/PlatformDependent/MetroPlayer/Extensions/Managed/ExtensionModule.cs:130)
UnityEditor.PostprocessBuildPlayer.Postprocess (BuildTarget target, System.String installPath, System.String companyName, System.String productName, Int32 width, Int32 height, System.String downloadWebplayerUrl, System.String manualDownloadWebplayerUrl, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.BuildReporting.BuildReport report) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/PostprocessBuildPlayer.cs:176)
UnityEditor.HostView:OnGUI()
Best Answer
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Thanks for your feedback. I found the solution to the problem 5 minutes ago. It is an install bug if the OS is 32bit. The solution to the problem is documented in http://forum.unity3d.com/threads/builderror-windows-10-system-io-pathcombine.364717/
In a nutshell, the ProgramFiles(x86) environmental variable must be set to "C://Program Files" on 32-bit Windows 10. How do I propose the change to the install? Others might have the same issue on 32-bit machines.
5
Answers
You are missing the Windows 10 SDK for Unity and several other items you may even have the wrong Unity version.
Uninstall Unity and start from the procedure in this thread
New Unity Technical Preview - 5.4b24 HTP
Part of the reply was
First Install the Tools In the case of "platform errors", you many have to uninstall the your version of Visual Studio and Unity first.
Then install products in the sequence described in install_the_tools
Watch the video Microsoft HoloLens: Course 101E – Ch. 1 – Project Creation
https://www.youtube.com/watch?v=qotpUpIQxVU
Download the code https://github.com/Microsoft/HolographicAcademy/tree/Holograms-101
and then carry out each tutorial using code from the Completed section of code https://github.com/Microsoft/HolographicAcademy
Thanks for your feedback. I found the solution to the problem 5 minutes ago. It is an install bug if the OS is 32bit. The solution to the problem is documented in http://forum.unity3d.com/threads/builderror-windows-10-system-io-pathcombine.364717/
In a nutshell, the ProgramFiles(x86) environmental variable must be set to "C://Program Files" on 32-bit Windows 10. How do I propose the change to the install? Others might have the same issue on 32-bit machines.
Oh! I would not see this as I use the 64-bit Unity version, as I use 64-bit Windows 10 Professional. Fortunately the HoloLens Emulator is 32-bit.
However I have the following on the Administrator Command SET
ProgramFiles=C:\Program Files
ProgramFiles(x86)=C:\Program Files (x86)
and you will need
ProgramFiles=C:\Program Files (x86)
So call Control Panel -> System and add a NEW Environment variable using information above
Once loaded you will need to check with SET command the variable, or it may appear in your profile when you do a restart of Windows 10.
I can set this on my machine but cannot test as I and Windows 10 64-bit