qmlcache problem when referencing Qml files outside of current directory tree

11:39:19: Starting: "C:\QtCommercial\Tools\CMake_64\bin\cmake.exe" --build C:/Users/dev/Desktop/Projects/test/subdirtest/build-src-Desktop_Qt_6_4_0_MSVC2019_64bit-Release --target all
[1/20 32.2/sec] Generating com/qml/main.qml
[2/20 55.8/sec] Generating .rcc/qmlcache/subdirtest_qmlcache_loader.cpp
[3/20 68.8/sec] Running qmlimportscanner for subdirtest
[4/20 14.8/sec] Automatic MOC for target subdirtest
[5/20 16.9/sec] Running AUTOMOC file extraction for target subdirtest
[6/20 19.2/sec] Running rcc for resource subdirtest_raw_qml_0
[7/20 22.3/sec] Running rcc for resource qmake_com_test
[8/20 25.4/sec] Running rcc for resource qmake_com_test_copy
[9/20 26.0/sec] Running moc --collect-json for target subdirtest
[10/20 22.8/sec] Automatic QML type registration for target subdirtest
ninja: error: mkdir(.rcc/qmlcache/subdirtest_../qml): No such file or directory
ninja: build stopped: .
11:39:20: The process "C:\QtCommercial\Tools\CMake_64\bin\cmake.exe" exited with code 1.
Error while building/deploying project subdirtest (kit: Desktop Qt 6.4.0 MSVC2019 64bit)
When executing step "Build"
11:39:20: Elapsed time: 00:04.

# sample/CMakeLists.txt:
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../appbasis ${CMAKE_CURRENT_BINARY_DIR}/appbasis) 

# Directory structure used:
# appbasis/CMakeLists.txt
# appbasis/SomeQmlFile.qml (referenced by appbasis/CMakeLists.txt)
# sample/CMakeLists.txt