The application crash (Segmentation fault) when creating a new transition, and move it on timeline (whit or without clip associated to transition).


Here, a copy of terminal execution : 

Shortcut for action  "rename" "Rename" set with QAction::setShortcut()! Use KActionCollection::setDefaultShortcut(s) instead.
kdeinit5: Got EXEC_NEW '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/file.so' from launcher.
kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/file.so'
Removing cache at "/home/yann/.cache/kdenlive-thumbs.kcache"
0x3983f70 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) ( QScreen(0x26ef2d0) ): Attempt to set a screen on a child window.
0x3ecd260 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) ( QScreen(0x26ef2d0) ): Attempt to set a screen on a child window.
0x3983f70 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) ( QScreen(0x26ef2d0) ): Attempt to set a screen on a child window.
0x3ecd260 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) ( QScreen(0x26ef2d0) ): Attempt to set a screen on a child window.
0x3ecd260 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) ( QScreen(0x26ef2d0) ): Attempt to set a screen on a child window.
0x3983f70 void QWindowPrivate::setTopLevelScreen(QScreen*, bool) ( QScreen(0x26ef2d0) ): Attempt to set a screen on a child window.
Using PPAPI flash.
--disable-new-tab-first-run --enable-user-scripts --ppapi-flash-path=/usr/lib/adobe-flashplugin/libpepflashplayer.so --ppapi-flash-version=
kdeinit5: PID 3789 terminated.
[1:1:0504/214848.801641:ERROR:KeyboardEventManager.cpp(427)] Not implemented reached in static bool blink::KeyboardEventManager::currentCapsLockState()
[swscaler @ 0x7f170569ee40] Warning: data is not aligned! This can lead to a speedloss
WARNING: bool Phonon::FactoryPrivate::createBackend() phonon backend plugin could not be loaded
WARNING: bool Phonon::FactoryPrivate::createBackend() phonon backend plugin could not be loaded
WARNING: bool Phonon::FactoryPrivate::createBackend() phonon backend plugin could not be loaded
org.kde.knotifications: Audio notification requested, but sound file from notifyrc file was not found, aborting audio notification
Erreur de segmentation