Crash when iOS device is connected

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.CoreFoundation      	0x00007fff3632bdcc CFStringGetLength + 6
1   libIos.dylib                  	0x000000010e418b40 CFStringRef2QString(__CFString const*) + 48
2   libIos.dylib                  	0x000000010e41856b deviceConnectedCallback + 475
3   com.apple.framework.IOKit     	0x00007fff3912bbef IODispatchCalloutFromCFMessage + 176
4   com.apple.CoreFoundation      	0x00007fff363d6a7b __CFMachPortPerform + 288
5   com.apple.CoreFoundation      	0x00007fff363a80bf __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 41
6   com.apple.CoreFoundation      	0x00007fff363a800f __CFRunLoopDoSource1 + 541
7   com.apple.CoreFoundation      	0x00007fff363a6c7c __CFRunLoopRun + 2612
8   com.apple.CoreFoundation      	0x00007fff363a5bd3 CFRunLoopRunSpecific + 499
9   com.apple.HIToolbox           	0x00007fff34efc65d RunCurrentEventLoopInMode + 292
10  com.apple.HIToolbox           	0x00007fff34efc2a9 ReceiveNextEventCommon + 356
11  com.apple.HIToolbox           	0x00007fff34efc127 _BlockUntilNextEventMatchingListInModeWithFilter + 64
12  com.apple.AppKit              	0x00007fff3356deb4 _DPSNextEvent + 990
13  com.apple.AppKit              	0x00007fff3356c690 -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1352
14  com.apple.AppKit              	0x00007fff3355e3ae -[NSApplication run] + 658
15  libqcocoa.dylib               	0x00000001043b6773 0x104380000 + 223091
16  org.qt-project.QtCore         	0x0000000101e5c99f QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 431
17  org.qt-project.QtCore         	0x0000000101e60f22 QCoreApplication::exec() + 130
18  org.qt-project.qtcreator      	0x0000000100be2036 main + 15046
19  libdyld.dylib                 	0x00007fff6da027fd start + 1