I get this about 3 times out of 4 loading the same metaframe. As far as I can tell it is related to one or more Kontakt instances but since the metafram eventually will load, it's hard to tell which or why...:
Process: Vienna Ensemble Pro [479]
Path: /Applications/Vienna Ensemble Pro/Vienna Ensemble Pro Server (64-bit).app/Contents/MacOS/Vienna Ensemble Pro
Identifier: at.co.vsl.viennaensemblepro
Version: 5.3.13240 (5.3.13240)
Code Type: X86-64 (Native)
Parent Process: launchd [217]
Responsible: Vienna Ensemble Pro [479]
User ID: 501
Date/Time: 2014-09-25 12:10:08.112 +0200
OS Version: Mac OS X 10.9.4 (13E28)
Report Version: 11
Anonymous UUID: 3C68A101-D615-8EB3-8EB8-E65635007887
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000016
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 com.apple.CoreServices.CarbonCore 0x00007fff890dc1ba GetOverrideMapFromChain + 64
1 com.apple.CoreServices.CarbonCore 0x00007fff890db0f3 StandardEntry + 279
2 com.apple.CoreServices.CarbonCore 0x00007fff890daeaf GetResourceCommon + 46
3 Kontakt 5.MusicDevice.component 0x0000000165a304ff NI::GP::ResourceStorage::init(void*, unsigned int, char const*) + 79
4 Kontakt 5.MusicDevice.component 0x0000000165a3082d NI::GP::ResourceStream::init(void*, unsigned int, char const*) + 13
5 Kontakt 5.MusicDevice.component 0x0000000165a3b5ff NI::UIA::AppModule::getResource(unsigned int, char const*, NI::GP::Endian::eByteOrder) + 335
6 Kontakt 5.MusicDevice.component 0x0000000165afce58 NI::NGL::PictureManager::createAndInitResource(NI::NGL::DETAIL::PictureEntry*, unsigned int, bool) const + 200
7 Kontakt 5.MusicDevice.component 0x0000000165afd2b2 NI::NGL::DETAIL::ResourceManagerBase<NI::NGL::DETAIL::PictureEntry>::allocResource(unsigned int, bool) + 146
8 Kontakt 5.MusicDevice.component 0x0000000165ae917b NI::NGL::Font::init(NI::NGL::PictureManager*, NI::NGL::FontManager*) + 155
9 Kontakt 5.MusicDevice.component 0x0000000165aec2d8 NI::NGL::FontManager::createAndInitResource(NI::NGL::DETAIL::ResourceEntry<NI::NGL::Font>*, unsigned int, bool) const + 200
10 Kontakt 5.MusicDevice.component 0x0000000165aec5a2 NI::NGL::DETAIL::ResourceManagerBase<NI::NGL::DETAIL::ResourceEntry<NI::NGL::Font> >::allocResource(unsigned int, bool) + 146
11 Kontakt 5.MusicDevice.component 0x0000000165ae369e NI::NGL::DETAIL::TextItem::init(NI::NGL::FontManager*, bool) + 62
12 Kontakt 5.MusicDevice.component 0x0000000165ab0295 NI::NGL::Control::initTextItem(NI::NGL::DETAIL::TextItem&) + 53
13 Kontakt 5.MusicDevice.component 0x0000000165ab4072 NI::NGL::ListControl::onInit(NI::NGL::Form*) + 98
14 Kontakt 5.MusicDevice.component 0x0000000165aee220 NI::NGL::Form::init() + 320
15 Kontakt 5.MusicDevice.component 0x00000001661d0827 NGLProgressDialogForm::init() + 23
16 Kontakt 5.MusicDevice.component 0x0000000165aedbda NI::NGL::Form::create(unsigned int) + 122
17 Kontakt 5.MusicDevice.component 0x0000000165af1b3a NI::NGL::FormContainer::createAndAddForm(NI::NGL::Form*, unsigned int, bool) + 74
18 Kontakt 5.MusicDevice.component 0x00000001661d1c15 NGLProgressDialog::Initialize(NI::GP::Event&) + 101
19 Kontakt 5.MusicDevice.component 0x00000001662e8fe0 KontaktEngineDialogs::NGLProgress(int (*)(NGLProgressDialogFrontend*, void*), void*, char const*) + 448
20 Kontakt 5.MusicDevice.component 0x0000000165f13744 BEngine::LoadPatchMem(NI::GP::Stream&) + 1012
21 Kontakt 5.MusicDevice.component 0x000000016611410e BInstrument::setChunk(NI::GP::MemoryStream&, bool) + 78
22 Kontakt 5.MusicDevice.component 0x00000001661141b2 non-virtual thunk to BInstrument::setChunk(NI::GP::MemoryStream&, bool) + 18
23 Kontakt 5.MusicDevice.component 0x0000000165b122e1 NI::AB::InterfaceAU::RestoreState(void const*) + 241
24 Kontakt 5.MusicDevice.component 0x00000001659e9f5e AUBase::DispatchSetProperty(unsigned int, unsigned int, unsigned int, void const*, unsigned int) + 1270
25 Kontakt 5.MusicDevice.component 0x00000001659ed411 AUBase::ComponentEntryDispatch(ComponentParameters*, AUBase*) + 533
26 Kontakt 5.MusicDevice.component 0x0000000165743a0a NIAudioUnitSynthEntry + 410
27 com.apple.audio.toolbox.AudioToolbox 0x00007fff8e25951f _AT_AudioUnitSetProperty + 204
28 at.co.vsl.viennaensemblepro 0x0000000100067264 AUPlugin::load(QHash<QString, QVariant> const&) + 2212
29 at.co.vsl.viennaensemblepro 0x00000001001965db VIAudioEngine::createPluginFromData(QHash<QString, QVariant> const&, QString*) + 2683
30 at.co.vsl.viennaensemblepro 0x00000001001d3b89 VstiChannelSource::load(QHash<QString, QVariant> const&) + 617
31 at.co.vsl.viennaensemblepro 0x000000010018ec1b VIAudioEngine::createChannelFromData(QHash<QString, QVariant> const&) + 315
32 at.co.vsl.viennaensemblepro 0x00000001001a1c9e VIAudioEngine::load(QHash<QString, QVariant> const&, bool, bool, int) + 2558
33 at.co.vsl.viennaensemblepro 0x000000010018df3f VIAudioEngine::load(QDataStream&, bool, bool, int) + 175
34 at.co.vsl.viennaensemblepro 0x0000000100290bfb VFMainWindow::loadProject(QByteArray const&, bool) + 235
35 at.co.vsl.viennaensemblepro 0x00000001002929fb VFMainWindow::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) + 3803
36 QtCore 0x000000010161e8b1 QObject::event(QEvent*) + 1073
37 QtGui 0x00000001019f365e QWidget::event(QEvent*) + 78
38 QtGui 0x0000000101da5f2b QMainWindow::event(QEvent*) + 219
39 QtGui 0x000000010199ca1d QApplicationPrivate::notify_helper(QObject*, QEvent*) + 189
40 QtGui 0x00000001019a34d4 QApplication::notify(QObject*, QEvent*) + 1060
41 QtCore 0x000000010160a31c QCoreApplication::notifyInternal(QObject*, QEvent*) + 124
42 QtCore 0x000000010160b740 QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 736
43 at.co.vsl.viennaensemblepro 0x0000000100298a3f VFMainWindow::VFMainWindow(QWidget*) + 22863
44 at.co.vsl.viennaensemblepro 0x000000010023e7bd VFServerWindow::createVFInstance(QString const&, QSemaphore*, bool) + 573
45 at.co.vsl.viennaensemblepro 0x0000000100255328 VFServerWindow::loadFile(QString const&, bool) + 2504
46 at.co.vsl.viennaensemblepro 0x0000000100256964 VFServerWindow::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) + 1636
47 QtCore 0x000000010161e8b1 QObject::event(QEvent*) + 1073
48 QtGui 0x00000001019f365e QWidget::event(QEvent*) + 78
49 QtGui 0x0000000101da5f2b QMainWindow::event(QEvent*) + 219
50 QtGui 0x000000010199ca1d QApplicationPrivate::notify_helper(QObject*, QEvent*) + 189
51 QtGui 0x00000001019a34d4 QApplication::notify(QObject*, QEvent*) + 1060
52 QtCore 0x000000010160a31c QCoreApplication::notifyInternal(QObject*, QEvent*) + 124
53 QtCore 0x000000010160b740 QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 736
54 com.apple.CoreFoundation 0x00007fff8b4ba5b1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
55 com.apple.CoreFoundation 0x00007fff8b4abc62 __CFRunLoopDoSources0 + 242
56 com.apple.CoreFoundation 0x00007fff8b4ab3ef __CFRunLoopRun + 831
57 com.apple.CoreFoundation 0x00007fff8b4aae75 CFRunLoopRunSpecific + 309
58 com.apple.HIToolbox 0x00007fff8b129a0d RunCurrentEventLoopInMode + 226
59 com.apple.HIToolbox 0x00007fff8b129685 ReceiveNextEventCommon + 173
60 com.apple.HIToolbox 0x00007fff8b1295bc _BlockUntilNextEventMatchingListInModeWithFilter + 65
61 com.apple.AppKit 0x00007fff8d33324e _DPSNextEvent + 1434
62 com.apple.AppKit 0x00007fff8d33289b -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
63 com.apple.AppKit 0x00007fff8d32699c -[NSApplication run] + 553
64 QtGui 0x00000001019559a0 QDesktopWidget::resizeEvent(QResizeEvent*) + 13040
65 QtCore 0x0000000101609234 QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 68
66 QtCore 0x00000001016095e4 QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 324
67 QtCore 0x000000010160bccc QCoreApplication::exec() + 188
68 at.co.vsl.viennaensemblepro 0x00000001004834d5 main + 14981
69 at.co.vsl.viennaensemblepro 0x000000010002f508 start + 52