Crash ID: 4615ef8c8bea964910debf5e20abe1edab2351c0 Stack Trace QDockWidget::toggleViewAction : QgisApp::removeDockWidget : QgsPresetSchemeColorRamp::clone : PyMethodDef_RawFastCallKeywords : PyMethodDef_RawFastCallKeywords : PyEval_EvalFrameDefault : PyMethodDef_RawFastCallKeywords : PyEval_EvalFrameDefault : PyMethodDef_RawFastCallKeywords : PyEval_EvalFrameDefault : PyEval_EvalCodeWithName : PyEval_EvalCodeEx : PyEval_EvalCode : PyArena_Free : PyRun_StringFlags : instance : instance : QgsPluginRegistry::unloadAll : QgisApp::saveWindowState : QMetaObject::activate : QCoreApplicationPrivate::execCleanup : QCoreApplication::exec : main : BaseThreadInitThunk : RtlUserThreadStart : QGIS Info QGIS Version: 3.4.6-Madeira QGIS code revision: cc0e375a9f Compiled against Qt: 5.11.2 Running against Qt: 5.11.2 Compiled against GDAL: 2.4.1 Running against GDAL: 2.4.1 System Info CPU Type: x86_64 Kernel Type: winnt Kernel Version: 10.0.17763