ASSERT failure in QList<T>::at: "index out of range", file /usr/local/opt/qt5/include/QtCore/qlist.h, line 510
Assertion failed: (false), function abort_on_error, file /tmp/scribus20160122-29356-1xk7i9j/scribus/scribuscore.cpp, line 76.
Process 38675 stopped
* thread #1: tid = 0x8edc9, 0x00007fff8ac93286 libsystem_kernel.dylib`__pthread_kill + 10, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
    frame #0: 0x00007fff8ac93286 libsystem_kernel.dylib`__pthread_kill + 10
libsystem_kernel.dylib`__pthread_kill:
->  0x7fff8ac93286 <+10>: jae    0x7fff8ac93290            ; <+20>
    0x7fff8ac93288 <+12>: movq   %rax, %rdi
    0x7fff8ac9328b <+15>: jmp    0x7fff8ac8ec53            ; cerror_nocancel
    0x7fff8ac93290 <+20>: retq
(lldb) bt
* thread #1: tid = 0x8edc9, 0x00007fff8ac93286 libsystem_kernel.dylib`__pthread_kill + 10, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
  * frame #0: 0x00007fff8ac93286 libsystem_kernel.dylib`__pthread_kill + 10
    frame #1: 0x00007fff8ac789f9 libsystem_pthread.dylib`pthread_kill + 90
    frame #2: 0x00007fff8f80a9ab libsystem_c.dylib`abort + 129
    frame #3: 0x00007fff8f7d2a91 libsystem_c.dylib`__assert_rtn + 321
    frame #4: 0x00000001003e137e Scribus`abort_on_error(QtMsgType, QMessageLogContext const&, QString const&) + 150
    frame #5: 0x00000001035ef38c QtCore`qt_message(QtMsgType, QMessageLogContext const&, char const*, __va_list_tag*) + 44
    frame #6: 0x00000001035f0d90 QtCore`QMessageLogger::fatal(char const*, ...) const + 160
    frame #7: 0x00000001035ebb32 QtCore`qt_assert_x(char const*, char const*, char const*, int) + 82
    frame #8: 0x00000001001a8689 Scribus`QList<VColorStop*>::at(int) const + 81
    frame #9: 0x0000000100180c14 Scribus`PageItem::createConicalMesh() + 2610
    frame #10: 0x000000010041b291 Scribus`ScribusDoc::itemSelection_SetItemGradFill(int) + 359
    frame #11: 0x00000001037db79c QtCore`QMetaObject::activate(QObject*, int, int, void**) + 2988
    frame #12: 0x0000000100022969 Scribus`Cpalette::NewGradient(int) + 63
    frame #13: 0x00000001037db79c QtCore`QMetaObject::activate(QObject*, int, int, void**) + 2988
    frame #14: 0x0000000102449d21 QtWidgets`QComboBoxPrivate::emitActivated(QModelIndex const&) + 193
    frame #15: 0x000000010244eaec QtWidgets`QComboBoxPrivate::_q_itemSelected(QModelIndex const&) + 108
    frame #16: 0x00000001037db79c QtCore`QMetaObject::activate(QObject*, int, int, void**) + 2988
    frame #17: 0x00000001026e15a5 QtWidgets`QComboBoxPrivateContainer::itemSelected(QModelIndex const&) + 53
    frame #18: 0x000000010244cb86 QtWidgets`QComboBoxPrivateContainer::eventFilter(QObject*, QEvent*) + 1350
    frame #19: 0x00000001037ab809 QtCore`QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) + 201
    frame #20: 0x000000010234e96b QtWidgets`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 235
    frame #21: 0x0000000102352013 QtWidgets`QApplication::notify(QObject*, QEvent*) + 9011
    frame #22: 0x00000001037ab4f3 QtCore`QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
    frame #23: 0x000000010234f30b QtWidgets`QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) + 971
    frame #24: 0x00000001023ad2fd QtWidgets`QWidgetWindow::handleMouseEvent(QMouseEvent*) + 2237
    frame #25: 0x00000001023ac0ef QtWidgets`QWidgetWindow::event(QEvent*) + 111
    frame #26: 0x000000010234e97b QtWidgets`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
    frame #27: 0x00000001023512de QtWidgets`QApplication::notify(QObject*, QEvent*) + 5630
    frame #28: 0x00000001037ab4f3 QtCore`QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
    frame #29: 0x0000000102a0f222 QtGui`QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) + 2434
    frame #30: 0x00000001029fb572 QtGui`QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 162
    frame #31: 0x0000000104d6e391 libqcocoa.dylib`QCocoaEventDispatcherPrivate::postedEventsSourceCallback(void*) + 33
    frame #32: 0x00007fff95581a01 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
    frame #33: 0x00007fff95573b8d CoreFoundation`__CFRunLoopDoSources0 + 269
    frame #34: 0x00007fff955731bf CoreFoundation`__CFRunLoopRun + 927
    frame #35: 0x00007fff95572bd8 CoreFoundation`CFRunLoopRunSpecific + 296
    frame #36: 0x00007fff9104656f HIToolbox`RunCurrentEventLoopInMode + 235
    frame #37: 0x00007fff910461ee HIToolbox`ReceiveNextEventCommon + 179
    frame #38: 0x00007fff9104612b HIToolbox`_BlockUntilNextEventMatchingListInModeWithFilter + 71
    frame #39: 0x00007fff8eabb8ab AppKit`_DPSNextEvent + 978
    frame #40: 0x00007fff8eabae58 AppKit`-[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346
    frame #41: 0x00007fff8eab0af3 AppKit`-[NSApplication run] + 594
    frame #42: 0x0000000104d6d2df libqcocoa.dylib`QCocoaEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 2191
    frame #43: 0x00000001037a8c1c QtCore`QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 412
    frame #44: 0x00000001037aba95 QtCore`QCoreApplication::exec() + 341
    frame #45: 0x00000001007e83fd Scribus`mainApp(int, char**) + 90
    frame #46: 0x00007fff88f175c9 libdyld.dylib`start + 1
    frame #47: 0x00007fff88f175c9 libdyld.dylib`start + 1