Need help building, the system cannot find the file specified

Microsoft Windows [Version 10.0.17134.112] (c) 2018 Microsoft Corporation. All rights reserved.

C:\Users\username\Documents\GitHub\openage>mkdir build

C:\Users\username\Documents\GitHub\openage>cd build

C:\Users\username\Documents\GitHub\openage\build>cmake -DCMAKE_TOOLCHAIN_FILE=<vcpkg directory>/scripts/buildsystems/vcpkg.cmake .. The system cannot find the file specified.

C:\Users\username\Documents\GitHub\openage\build> cmake -DCMAKE_TOOLCHAIN_FILE=<vcpkg directory>/scripts/buildsystems/vcpkg.cmake .. The system cannot find the file specified.

C:\Users\username\Documents\GitHub\openage\build> cmake --build . --config RelWithDebInfo -- /nologo /m /v:m Error: could not load cache

C:\Users\username\Documents\GitHub\openage\build>