Crash at start

[LaMain66]

qBittorrent & operating system versions

qBittorrent version: v4.6.3 (64-bit)
Libtorrent version: 2.0.9.0
Qt version: 6.4.2
Boost version: 1.83.0
OpenSSL version: 3.0.9
zlib version: 1.3
OS version: Debian GNU/Linux trixie/sid 6.6.15-amd64 x86_64

What is the problem?

crash report

Caught signal: SIGSEGV

 0# getStacktrace[abi:cxx11]() in qbittorrent
 1# 0x00005630A11C4686 in qbittorrent
 2# 0x00007F5026E5A510 in /lib/x86_64-linux-gnu/libc.so.6
 3# QUtf8::convertToUnicode(QChar*, QByteArrayView) in /lib/x86_64-linux-gnu/libQt6Core.so.6
 4# QString::fromUtf8(QByteArrayView) in /lib/x86_64-linux-gnu/libQt6Core.so.6
 5# Path::Path(std::__cxx11::basic_string, std::allocator > const&) in qbittorrent
 6# BitTorrent::TorrentImpl::actualStorageLocation() const in qbittorrent
 7# BitTorrent::TorrentImpl::TorrentImpl(BitTorrent::SessionImpl*, libtorrent::session*, libtorrent::torrent_handle const&, BitTorrent::LoadTorrentParams const&) in qbittorrent
 8# BitTorrent::SessionImpl::createTorrent(libtorrent::torrent_handle const&, BitTorrent::LoadTorrentParams const&) in qbittorrent
 9# BitTorrent::SessionImpl::handleAddTorrentAlerts(std::vector > const&) in qbittorrent
10# BitTorrent::SessionImpl::readAlerts() in qbittorrent
11# QObject::event(QEvent*) in /lib/x86_64-linux-gnu/libQt6Core.so.6
12# QApplicationPrivate::notify_helper(QObject*, QEvent*) in /lib/x86_64-linux-gnu/libQt6Widgets.so.6
13# QCoreApplication::notifyInternal2(QObject*, QEvent*) in /lib/x86_64-linux-gnu/libQt6Core.so.6
14# QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) in /lib/x86_64-linux-gnu/libQt6Core.so.6
15# 0x00007F5027725217 in /lib/x86_64-linux-gnu/libQt6Core.so.6
16# 0x00007F502797A1B4 in /lib/x86_64-linux-gnu/libglib-2.0.so.0
17# 0x00007F502797D2D7 in /lib/x86_64-linux-gnu/libglib-2.0.so.0
18# g_main_context_iteration in /lib/x86_64-linux-gnu/libglib-2.0.so.0
19# QEventDispatcherGlib::processEvents(QFlags) in /lib/x86_64-linux-gnu/libQt6Core.so.6
20# QEventLoop::exec(QFlags) in /lib/x86_64-linux-gnu/libQt6Core.so.6
21# QCoreApplication::exec() in /lib/x86_64-linux-gnu/libQt6Core.so.6
22# Application::exec() in qbittorrent
23# main in qbittorrent
24# 0x00007F5026E456CA in /lib/x86_64-linux-gnu/libc.so.6
25# __libc_start_main in /lib/x86_64-linux-gnu/libc.so.6
26# _start in qbittorrent

Steps to reproduce

Crashed after installing the new qbittorent version

Additional context

The problem reside in the qbittorrent.conf file: it disappear with a fresh .conf

Log(s) & preferences file(s)

qbittorrent.log
__qBittorrent.conf.txt