Getting TSMProcessRawKeyCode failed (-192) when executing outside QtCreator

When I've built my application and run macdeployqt on the application bundle, running it outside QtCreator causes this output when writing in a line edit:

2015-10-01 14:04:42.184 MyApp[6819:824054] TSMProcessRawKeyCode failed (-192)
2015-10-01 14:04:42.185 MyApp[6819:824054] (
0 CoreFoundation 0x00007fff994a703c __exceptionPreprocess + 172
1 libobjc.A.dylib 0x00007fff99b4776e objc_exception_throw + 43
2 CoreFoundation 0x00007fff994a6eed +[NSException raise:format:] + 205
3 AppKit 0x00007fff9b884200 _convertEventRefToString + 274
4 AppKit 0x00007fff9b884057 -[NSEvent charactersIgnoringModifiers] + 629
5 libqcocoa.dylib 0x000000010afed801 qt_plugin_instance + 81329
6 libqcocoa.dylib 0x000000010afedd64 qt_plugin_instance + 82708
7 AppKit 0x00007fff9be00ef2 -[NSWindow _reallySendEvent:isDelayedEvent:] + 4931
8 AppKit 0x00007fff9b792c86 -[NSWindow sendEvent:] + 470
9 libqcocoa.dylib 0x000000010afe0027 qt_plugin_instance + 26071
10 libqcocoa.dylib 0x000000010afdf9cb qt_plugin_instance + 24443
11 AppKit 0x00007fff9b78f8b1 -[NSApplication sendEvent:] + 4199
12 libqcocoa.dylib 0x000000010aff6dce qt_plugin_instance + 119678
13 AppKit 0x00007fff9b6b8b68 -[NSApplication run] + 711
14 libqcocoa.dylib 0x000000010aff37fd qt_plugin_instance + 105901
15 QtCore 0x0000000101c898cd _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE + 381
16 QtCore 0x0000000101c8c78a _ZN16QCoreApplication4execEv + 346
17 MyApp 0x00000001005ce357 main + 3351
18 MyApp 0x00000001005cd634 start + 52
19 ??? 0x0000000000000001 0x0 + 1

Nothing appears inside the linedit.
This doesn't happen when running as administrator via sudo.