CMake Error at C:/Qt/5.12.0/msvc2017_64/lib/cmake/Qt5QuickCompiler/Qt5QuickCompilerConfig.cmake:23 (message):
  The package "Qt5QuickCompilerConfig" references the file     "C:/Qt/5.12.0/msvc2017_64/bin/qmlcachegen"
 but this file does not exist.  Possible reasons include:

  * The file was deleted, renamed, or moved to another location.

  * An install or uninstall procedure did not complete successfully.

  * The installation package was faulty and contained

     "C:/tkbt/Prose/ICDE/IceTools/CMakeLists.txt"

  but not all the files it references.

set(compiler_path "${_qt5Core_install_prefix}/bin/qmlcachegen")
    if(NOT EXISTS "${compiler_path}" )
        message(FATAL_ERROR "The package \"Qt5QuickCompilerConfig\" references the file
   \"${compiler_path}\"
but this file does not exist.  Possible reasons include:
* The file was deleted, renamed, or moved to another location.
* An install or uninstall procedure did not complete successfully.
* The installation package was faulty and contained
   \"${CMAKE_CURRENT_LIST_FILE}\"
but not all the files it references.
")
    endif()

set(compiler_path "${_qt5Core_install_prefix}/bin/qmlcachegen.exe")