Crash ID: fba9d8b62419a508af92288a8359f9abd3df06d0 Stack Trace QList::empty : QUndoStack::canRedo : QgsUndoWidget::indexChanged : QMetaObject::activate : QUndoStack::clear : QUndoStack::~QUndoStack : QgsMeshLayer::`default constructor closure' : QObjectPrivate::deleteChildren : QObject::~QObject : QgsVectorLayerUndoCommandRenameAttribute::~QgsVectorLayerUndoCommandRenameAttribute : QgsMapLayerStore::removeMapLayers : QgsMapLayerStore::removeMapLayers : QgsMapLayerStore::removeAllMapLayers : QgsProject::clear : QgisApp::closeProject : QgisApp::fileNew : QgisApp::fileClose : QMetaObject::activate : QAction::activate : QMenu::actionGeometry : QMenu::actionGeometry : QMenu::mouseReleaseEvent : QWidget::event : QMenu::event : QApplicationPrivate::notify_helper : QApplication::notify : QgsApplication::notify : QCoreApplication::notifyInternal2 : QMenu::metaObject : QMenu::mouseReleaseEvent : QWidget::event : QMenu::event : QApplicationPrivate::notify_helper : QApplication::notify : QgsApplication::notify : QCoreApplication::notifyInternal2 : QApplicationPrivate::sendMouseEvent : QSizePolicy::QSizePolicy : QSizePolicy::QSizePolicy : QApplicationPrivate::notify_helper : QApplication::notify : QgsApplication::notify : QCoreApplication::notifyInternal2 : QGuiApplicationPrivate::processMouseEvent : QWindowSystemInterface::sendWindowSystemEvents : QEventDispatcherWin32::processEvents : DispatchMessageW : DispatchMessageW : QEventDispatcherWin32::processEvents : qt_plugin_query_metadata : QEventLoop::exec : QCoreApplication::exec : main : BaseThreadInitThunk : RtlUserThreadStart : QGIS Info QGIS Version: 3.4.4-Madeira QGIS code revision: f6ddc62fdb Compiled against Qt: 5.11.2 Running against Qt: 5.11.2 Compiled against GDAL: 2.4.0 Running against GDAL: 2.4.0 System Info CPU Type: x86_64 Kernel Type: winnt Kernel Version: 10.0.17763