QtCreator/CMake does not recognize an updated compiler (Windows/MSVC)

C++ Indexer: Skipping file "D:/Backup/Code/Qt/build-ScreenPlayInternal-ScreenPlay_Qt_5_15_0_MSVC2019_64bit-Debug/ScreenPlay/ScreenPlay/ScreenPlay_autogen/EWIEGA46WW/qrc_Resources.cpp" because it is too big.
Running C:\Program Files\CMake\bin\cmake.exe -S D:/Backup/Code/Qt/ScreenPlayInternal -B D:/Backup/Code/Qt/build-ScreenPlayInternal-ScreenPlay_Qt_5_15_0_MSVC2019_64bit-Debug in D:\Backup\Code\Qt\build-ScreenPlayInternal-ScreenPlay_Qt_5_15_0_MSVC2019_64bit-Debug.
-- VCPKG-Info: CMAKE_MAP_IMPORTED_CONFIG_MINSIZEREL set to MinSizeRel;Release;
-- VCPKG-Info: CMAKE_MAP_IMPORTED_CONFIG_RELWITHDEBINFO set to RelWithDebInfo;Release;
-- The CXX compiler identification is unknown
CMake Error at CMakeLists.txt:8 (project):
 The CMAKE_CXX_COMPILER:
C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.26.28801/bin/HostX64/x64/cl.exe
is not a full path to an existing compiler tool.
Tell CMake where to find the compiler by setting either the environment
 variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
 to the compiler, or to the compiler name if it is in the PATH.