"#pragma once" is not allowed in installed header files:

CMake Error at /Users/qt/work/install/lib/cmake/Qt6/QtSyncQtHelpers.cmake:282 (message):
syncqt.cpp failed for module QtAppManCommon:
ERROR:
/Users/qt/work/qt/qtapplicationmanager/src/common-lib/architecture.h:4
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR: /Users/qt/work/qt/qtapplicationmanager/src/common-lib/colorprint.h:4
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR:
/Users/qt/work/qt/qtapplicationmanager/src/common-lib/configcache.h:5
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR:
/Users/qt/work/qt/qtapplicationmanager/src/common-lib/configcache_p.h:5
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR: /Users/qt/work/qt/qtapplicationmanager/src/common-lib/console.h:4
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR:
/Users/qt/work/qt/qtapplicationmanager/src/common-lib/crashhandler.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR:
/Users/qt/work/qt/qtapplicationmanager/src/common-lib/dbus-utilities.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR: /Users/qt/work/qt/qtapplicationmanager/src/common-lib/error.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR: /Users/qt/work/qt/qtapplicationmanager/src/common-lib/exception.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR:
/Users/qt/work/qt/qtapplicationmanager/src/common-lib/filesystemmountwatcher.h:4
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR: /Users/qt/work/qt/qtapplicationmanager/src/common-lib/global.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR: /Users/qt/work/qt/qtapplicationmanager/src/common-lib/logging.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR:
/Users/qt/work/qt/qtapplicationmanager/src/common-lib/processtitle.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR:
/Users/qt/work/qt/qtapplicationmanager/src/common-lib/qml-utilities.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR: /Users/qt/work/qt/qtapplicationmanager/src/common-lib/qtyaml.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR:
/Users/qt/work/qt/qtapplicationmanager/src/common-lib/unixsignalhandler.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
ERROR: /Users/qt/work/qt/qtapplicationmanager/src/common-lib/utilities.h:6
"#pragma once" is not allowed in installed header files:
https://lists.qt-project.org/pipermail/development/2022-October/043121.html
Call Stack (most recent call first):
/Users/qt/work/install/lib/cmake/Qt6/QtModuleHelpers.cmake:938 (qt_internal_target_sync_headers)
/Users/qt/work/install/lib/cmake/Qt6/QtScopeFinalizerHelpers.cmake:24:EVAL:1 (qt_finalize_module)
src/common-lib/CMakeLists.txt:DEFERRED
-- Configuring incomplete, errors occurred!
See also "/Users/qt/work/qt/qtapplicationmanager_build/CMakeFiles/CMakeOutput.log".
See also "/Users/qt/work/qt/qtapplicationmanager_build/CMakeFiles/CMakeError.log".
CMake Error at /Users/qt/work/install/lib/cmake/Qt6/QtProcessConfigureArgs.cmake:1089 (message):
CMake exited with code 1.
Process finished with error: exit status 1