#0 0x00007ffff3e7a1e5 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 #1 0x00007ffff3e7d398 in __GI_abort () at abort.c:90 #2 0x00007ffff4f1e4eb in qt_message_fatal (context=..., message=...) at global/qlogging.cpp:981 #3 0x00007ffff4f1c070 in QMessageLogger::fatal (this=0x7fffffff7ce0, msg=0x7ffff526e818 "ASSERT: \"%s\" in file %s, line %d") at global/qlogging.cpp:384 #4 0x00007ffff4f17a88 in qt_assert (assertion=0x7ffff6a07840 "uniformSpacer >= 0 || spacing >= 0", file=0x7ffff6a077d8 "../../include/QtWidgets/5.2.0/QtWidgets/private/../../../../../src/widgets/kernel/qlayoutengine_p.h", line=78) at global/qglobal.cpp:2084 #5 0x00007ffff65dfe74 in QLayoutStruct::effectiveSpacer (this=0x13da16c, uniformSpacer=-1) at ../../include/QtWidgets/5.2.0/QtWidgets/private/../../../../../src/widgets/kernel/qlayoutengine_p.h:78 #6 0x00007ffff65deb0c in qGeomCalc (chain=..., start=0, count=4, pos=4, space=292, spacer=-1) at kernel/qlayoutengine.cpp:110 #7 0x00007ffff65d0651 in QFormLayout::setGeometry (this=0xf38620, rect=...) at kernel/qformlayout.cpp:1524 #8 0x00007ffff65db378 in QLayoutPrivate::doResize (this=0xf386a0, r=...) at kernel/qlayout.cpp:588 #9 0x00007ffff65dcfe9 in QLayout::activate (this=0xf38620) at kernel/qlayout.cpp:1100 #10 0x00007ffff65fd0db in QWidget::setVisible (this=0xd5ad40, visible=true) at kernel/qwidget.cpp:7347 #11 0x00007ffff6803af8 in QDialog::setVisible (this=0xd5ad40, visible=true) at dialogs/qdialog.cpp:711 #12 0x00007ffff65fc25f in QWidget::show (this=0xd5ad40) at kernel/qwidget.cpp:7018 #13 0x00007ffff65e567d in QStackedLayout::setCurrentIndex (this=0x10df270, index=0) at kernel/qstackedlayout.cpp:332 #14 0x00007ffff65e52b6 in QStackedLayout::insertWidget (this=0x10df270, index=0, widget=0xd5ad40) at kernel/qstackedlayout.cpp:238 #15 0x00007ffff65e51c4 in QStackedLayout::addWidget (this=0x10df270, widget=0xd5ad40) at kernel/qstackedlayout.cpp:210 #16 0x00007ffff7a32c54 in qdesigner_internal::FormWindowWidgetStack::setMainContainer (this=0xffa670, w=0xd5ad40) at ../formeditor/formwindow_widgetstack.cpp:172 #17 0x00007ffff7a1dd33 in qdesigner_internal::FormWindow::setMainContainer (this=0xf67530, w=0xd5ad40) at ../formeditor/formwindow.cpp:479 #18 0x00007ffff7a28c34 in qdesigner_internal::FormWindow::setContents (this=0xf67530, dev=0x7fffffff8600, errorMessageIn=0x7fffffff8840) at ../formeditor/formwindow.cpp:2167 #19 0x000000000043cdd4 in QDesignerWorkbench::loadForm (this=0x717ff0, fileName=..., detectLineTermiantorMode=true, errorMessage=0x7fffffff8840) at qdesigner_workbench.cpp:945 #20 0x000000000043d12a in QDesignerWorkbench::openForm (this=0x717ff0, fileName=..., errorMessage=0x7fffffff8840) at qdesigner_workbench.cpp:987 #21 0x00000000004499ee in QDesignerActions::readInForm (this=0x126ab60, fileName=...) at qdesigner_actions.cpp:775 #22 0x000000000044b528 in QDesignerActions::openRecentForm (this=0x126ab60) at qdesigner_actions.cpp:1003 #23 0x00000000004610c6 in QDesignerActions::qt_static_metacall (_o=0x126ab60, _c=QMetaObject::InvokeMetaMethod, _id=13, _a=0x7fffffff8c10) at .moc/moc_qdesigner_actions.cpp:185 #24 0x00007ffff51da021 in QMetaObject::activate (sender=0x1153e60, signalOffset=3, local_signal_index=1, argv=0x7fffffff8c10) at kernel/qobject.cpp:3530 #25 0x00007ffff51d9872 in QMetaObject::activate (sender=0x1153e60, m=0x7ffff6dce8a0 , local_signal_index=1, argv=0x7fffffff8c10) at kernel/qobject.cpp:3405 #26 0x00007ffff65a720e in QAction::triggered (this=0x1153e60, _t1=false) at .moc/moc_qaction.cpp:356 #27 0x00007ffff65a65ca in QAction::activate (this=0x1153e60, event=QAction::Trigger) at kernel/qaction.cpp:1175 #28 0x00007ffff676f9e8 in QMenuPrivate::activateCausedStack (this=0xafefd0, causedStack=..., action=0x1153e60, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:977 #29 0x00007ffff676fde8 in QMenuPrivate::activateAction (this=0xafefd0, action=0x1153e60, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1054 #30 0x00007ffff6774236 in QMenu::mouseReleaseEvent (this=0xed0ce0, e=0x7fffffff9ac0) at widgets/qmenu.cpp:2359 #31 0x00007ffff65fe611 in QWidget::event (this=0xed0ce0, event=0x7fffffff9ac0) at kernel/qwidget.cpp:7947 #32 0x00007ffff6774a0e in QMenu::event (this=0xed0ce0, e=0x7fffffff9ac0) at widgets/qmenu.cpp:2472 #33 0x00007ffff65b578c in QApplicationPrivate::notify_helper (this=0x692560, receiver=0xed0ce0, e=0x7fffffff9ac0) at kernel/qapplication.cpp:3467 #34 0x00007ffff65b34ca in QApplication::notify (this=0x7fffffffdc60, receiver=0xed0ce0, e=0x7fffffff9ac0) at kernel/qapplication.cpp:3001 #35 0x00007ffff5197cc8 in QCoreApplication::notifyInternal (this=0x7fffffffdc60, receiver=0xed0ce0, event=0x7fffffff9ac0) at kernel/qcoreapplication.cpp:878 #36 0x00007ffff65b7c79 in QCoreApplication::sendSpontaneousEvent (receiver=0xed0ce0, event=0x7fffffff9ac0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:235 #37 0x00007ffff65b1ee9 in QApplicationPrivate::sendMouseEvent (receiver=0xed0ce0, event=0x7fffffff9ac0, alienWidget=0x0, nativeWidget=0xed0ce0, buttonDown=0x7ffff6df9780 , lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2488 #38 0x00007ffff66298a4 in QWidgetWindow::handleMouseEvent (this=0xba2e70, event=0x7fffffffa5e0) at kernel/qwidgetwindow.cpp:398 #39 0x00007ffff6628f77 in QWidgetWindow::event (this=0xba2e70, event=0x7fffffffa5e0) at kernel/qwidgetwindow.cpp:172 #40 0x00007ffff65b578c in QApplicationPrivate::notify_helper (this=0x692560, receiver=0xba2e70, e=0x7fffffffa5e0) at kernel/qapplication.cpp:3467 #41 0x00007ffff65b2d43 in QApplication::notify (this=0x7fffffffdc60, receiver=0xba2e70, e=0x7fffffffa5e0) at kernel/qapplication.cpp:2888 #42 0x00007ffff5197cc8 in QCoreApplication::notifyInternal (this=0x7fffffffdc60, receiver=0xba2e70, event=0x7fffffffa5e0) at kernel/qcoreapplication.cpp:878 #43 0x00007ffff579c38d in QCoreApplication::sendSpontaneousEvent (receiver=0xba2e70, event=0x7fffffffa5e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:235 #44 0x00007ffff57965d6 in QGuiApplicationPrivate::processMouseEvent (e=0xb19a80) at kernel/qguiapplication.cpp:1585 #45 0x00007ffff5795cbc in QGuiApplicationPrivate::processWindowSystemEvent (e=0xb19a80) at kernel/qguiapplication.cpp:1398 #46 0x00007ffff5780fdb in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572