Cannot build Hololens application VS2019

Hi all,

I am having some issues building the client app, I was wondering if this is a bug or an issue on my end somehow, below is an extract from the output log:

Build started…
1>------ Build started: Project: client_app_hl, Configuration: Debug ARM64 ------
1>cl : command line warning D9025: overriding ‘/std:c++14’ with ‘/std:c++latest’
1>cl : command line warning D9025: overriding ‘/std:c++14’ with ‘/std:c++latest’
1>cl : command line warning D9025: overriding ‘/std:c++14’ with ‘/std:c++latest’
1>SpatialInputHandler.cpp
1>AppView.cpp
1>C:\dev\01-29-2021-CloudXR-SDK-2.0\Sample\WindowsMR\HoloLens\AppView.h(75,17): error C2259: ‘CloudXRClientApp::AppView’: cannot instantiate abstract class (compiling source file AppView.cpp)
1>C:\dev\01-29-2021-CloudXR-SDK-2.0\Sample\WindowsMR\HoloLens\AppView.h(33): message : see declaration of ‘CloudXRClientApp::AppView’ (compiling source file AppView.cpp)
1>C:\dev\01-29-2021-CloudXR-SDK-2.0\Sample\WindowsMR\HoloLens\AppView.h(75,17): message : due to following members: (compiling source file AppView.cpp)
1>C:\dev\01-29-2021-CloudXR-SDK-2.0\Sample\WindowsMR\HoloLens\AppView.h(75,17): message : ‘void winrt::implementsCloudXRClientApp::AppView,winrt::Windows::ApplicationModel::Core::IFrameworkView::use_make_function_to_create_this_object(void)’: is abstract (compiling source file AppView.cpp)
1>C:\Program Files (x86)\Windows Kits\10\Include\10.0.19041.0\cppwinrt\winrt\base.h(6903): message : see declaration of ‘winrt::implementsCloudXRClientApp::AppView,winrt::Windows::ApplicationModel::Core::IFrameworkView::use_make_function_to_create_this_object’ (compiling source file AppView.cpp)
1>C:\dev\01-29-2021-CloudXR-SDK-2.0\Sample\WindowsMR\HoloLens\AppView.cpp(80,26): error C2275: ‘CloudXRClientApp::AppViewSource’: illegal use of this type as an expression
1>C:\dev\01-29-2021-CloudXR-SDK-2.0\Sample\WindowsMR\HoloLens\AppView.h(69): message : see declaration of ‘CloudXRClientApp::AppViewSource’
1>C:\dev\01-29-2021-CloudXR-SDK-2.0\Sample\WindowsMR\common\SpatialInputHandler.cpp(166,42): error C2440: ‘initializing’: cannot convert from ‘T’ to ‘T &’
1> with
1> [
1> T=winrt::Windows::UI::Input::Spatial::SpatialInteractionSourceState
1> ]
1>C:\dev\01-29-2021-CloudXR-SDK-2.0\Sample\WindowsMR\common\SpatialInputHandler.cpp(166,42): message : A non-const reference may only be bound to an lvalue
1>C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\XamlCompiler\Microsoft.Windows.UI.Xaml.Common.targets(486,5): error MSB4181: The “CompileXaml” task returned false but did not log an error.
1>Done building project “receiver_hl.vcxproj” – FAILED.
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
========== Deploy: 0 succeeded, 0 failed, 0 skipped ==========