Unable to build project created in Qt Design Studio

C:\Users\Dell\Documents\MyDSproject\build>cmake .. -DQUL_PLATFORM=Qt -DQul_ROOT=%QUL_ROOT%
-- Building for: Visual Studio 16 2019
-- Selecting Windows SDK version 10.0.19041.0 to target Windows 10.0.19043.
-- The C compiler identification is MSVC 19.28.29913.0
-- The CXX compiler identification is MSVC 19.28.29913.0
-- The ASM compiler identification is MSVC
-- Found assembler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.28.29910/bin/Hostx64/x64/cl.exe
-- The ASM_MASM compiler identification is MSVC
-- Found assembler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.28.29910/bin/Hostx64/x64/ml64.exe
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.28.29910/bin/Hostx64/x64/cl.exe - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.28.29910/bin/Hostx64/x64/cl.exe - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- CMake version 3.21.1
-- Loading board defaults C:/Qt2.1_ULTI_production/QtMCUs/2.1.0/lib/cmake/Qul/../../../platform/boards/qt/qt/cmake/BoardDefaults.cmake
-- OS: BareMetal
-- IPO is disabled for desktop backends
-- Using imported architecture configuration. Ignoring architecture.cmake file.
-- Found Qt5Bundle: C:/Qt2.1_ULTI_production/QtMCUs/2.1.0/lib  found components: Core Gui Widgets
-- Configuring done
-- Generating done
-- Build files have been written to: C:/Users/Dell/Documents/MyDSproject/build

C:\Users\Dell\Documents\MyDSproject\build>cmake --build . --target MyDSproject --config Release
Microsoft (R) Build Engine version 16.9.0+57a23d249 for .NET Framework
Copyright (C) Microsoft Corporation. All rights reserved.  Checking Build System
  Running qulrcc on (module) C:/Users/Dell/Documents/MyDSproject/build/Constants/resources/Windows-AMD64-qulrcc_cmake_resources.json
  Running qmltocpp on imports/Constants/Constants.qml
  Building Custom Rule C:/Users/Dell/Documents/MyDSproject/CMakeLists.txt
  Constants.cpp
  ConstantsModule.vcxproj -> C:\Users\Dell\Documents\MyDSproject\build\Constants\Release\ConstantsModule.lib
  Running qulrcc on C:/Users/Dell/Documents/MyDSproject/build/CMakeFiles/MyDSproject.dir/qulrcc_cmake_resources.json
  Running qmltocpp on C:/Users/Dell/Documents/MyDSproject/MyDSproject.qml
  Running qmltocpp on C:/Users/Dell/Documents/MyDSproject/Screen01.ui.qml
  Running qmltocpp on C:/Users/Dell/Documents/MyDSproject/build/Constants/Constants.qml
  ←[31merror:←[0m Type Constants with 'pragma Singleton' is imported as non-singleton. Singletons defined in QML must be part of a module.
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.CppCommon.targets(240,5): error MSB8066: Custom buil
d for 'C:\Users\Dell\Documents\MyDSproject\build\CMakeFiles\b0adea22aa17fc7c922786f860cafcbd\qulrcc_output.json.rule;C:\Users\Dell\Documents\MyDSproje
ct\build\CMakeFiles\b0adea22aa17fc7c922786f860cafcbd\MyDSproject.h.rule;C:\Users\Dell\Documents\MyDSproject\build\CMakeFiles\b0adea22aa17fc7c922786f86
0cafcbd\Screen01.h.rule;C:\Users\Dell\Documents\MyDSproject\build\CMakeFiles\b0adea22aa17fc7c922786f860cafcbd\Constants.h.rule;C:\Users\Dell\Documents
\MyDSproject\build\CMakeFiles\b0adea22aa17fc7c922786f860cafcbd\qul_font_engines.cpp.rule;C:\Users\Dell\Documents\MyDSproject\build\CMakeFiles\b0adea22
aa17fc7c922786f860cafcbd\QtQuick_Co_qul_resource_slider-bac_0.cpp.rule' exited with code 1. [C:\Users\Dell\Documents\MyDSproject\build\MyDSproject.vcx
proj]