crash trying to open a ˆ.ui

Process: Qt Creator [36128]
Path: /Developer/Qt5.11.1/Qt Creator.app/Contents/MacOS/Qt Creator
Identifier: org.qt-project.qtcreator
Version: 4.7 (4.7.0)
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Qt Creator [36128]
User ID: 501

Date/Time: 2018-08-15 11:51:45.128 -0400
OS Version: Mac OS X 10.13.5 (17F77)
Report Version: 12
Anonymous UUID: 66BF2B39-1113-46EC-E051-4A7FD6AA27A5


Time Awake Since Boot: 2800000 seconds

System Integrity Protection: enabled

Crashed Thread: 0 Dispatch queue: com.apple.main-thread

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000004
Exception Note: EXC_CORPSE_NOTIFY

Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [0]

VM Regions Near 0x4:
--> 
 __TEXT 0000000107d24000-0000000107d37000 [ 76K] r-x/rwx SM=COW /Developer/Qt5.11.1/Qt Creator.app/Contents/MacOS/Qt Creator

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 org.qt-project.QtCore 0x0000000108c646e5 QSortFilterProxyModelPrivate::proxy_to_source(QModelIndex const&) const + 133
1 org.qt-project.QtCore 0x0000000108c6dcb2 QSortFilterProxyModel::mapToSource(QModelIndex const&) const + 18
2 libProjectExplorer.dylib 0x0000000116e0c653 QtPrivate::QFunctorSlotObject<ProjectExplorer::Internal::FolderNavigationWidget::FolderNavigationWidget(QWidget*)::$_7, 2, QtPrivate::List<QModelIndex const&, QModelIndex const&>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) + 67
3 org.qt-project.QtCore 0x0000000108cb6964 QObject::event(QEvent*) + 788
4 org.qt-project.QtWidgets 0x000000010801e407 QWidget::event(QEvent*) + 5063
5 org.qt-project.QtWidgets 0x0000000107fe2f12 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 306
6 org.qt-project.QtWidgets 0x0000000107fe42ed QApplication::notify(QObject*, QEvent*) + 573
7 org.qt-project.QtCore 0x0000000108c8d54f QCoreApplication::notifyInternal2(QObject*, QEvent*) + 159
8 org.qt-project.QtCore 0x0000000108c8e722 QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 850
9 libqcocoa.dylib 0x000000010b0043de QCocoaEventDispatcherPrivate::processPostedEvents() + 190
10 libqcocoa.dylib 0x000000010b004c91 QCocoaEventDispatcherPrivate::postedEventsSourceCallback(void*) + 33
11 com.apple.CoreFoundation 0x00007fff4b589a61 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
12 com.apple.CoreFoundation 0x00007fff4b64347c __CFRunLoopDoSource0 + 108
13 com.apple.CoreFoundation 0x00007fff4b56c51c __CFRunLoopDoSources0 + 300
14 com.apple.CoreFoundation 0x00007fff4b56b93d __CFRunLoopRun + 1293
15 com.apple.CoreFoundation 0x00007fff4b56b1a3 CFRunLoopRunSpecific + 483
16 com.apple.HIToolbox 0x00007fff4a851d96 RunCurrentEventLoopInMode + 286
17 com.apple.HIToolbox 0x00007fff4a851b06 ReceiveNextEventCommon + 613
18 com.apple.HIToolbox 0x00007fff4a851884 _BlockUntilNextEventMatchingListInModeWithFilter + 64
19 com.apple.AppKit 0x00007fff48b03a73 _DPSNextEvent + 2085
20 com.apple.AppKit 0x00007fff49299e34 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 3044
21 com.apple.AppKit 0x00007fff48af8885 -[NSApplication run] + 764
22 libqcocoa.dylib 0x000000010b003a8d QCocoaEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 2397
23 org.qt-project.QtCore 0x0000000108c890a2 QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 418
24 org.qt-project.QtCore 0x0000000108c8dc62 QCoreApplication::exec() + 402
25 org.qt-project.qtcreator 0x0000000107d2fa26 main + 14390
26 libdyld.dylib 0x00007fff73379015 start + 1