Soft assert in QtVersionManager::version()

SOFT ASSERT [12:01:16.189]: "isLoaded()" in /home/jarek/dev/creator-12/src/plugins/qtsupport/qtversionmanager.cpp:578

1  Utils::writeAssertLocation                                                                                                               qtcassert.cpp             126  0x7ffff7a964d5 
2  QtSupport::QtVersionManager::version                                                                                                     qtversionmanager.cpp      578  0x7fffb4578537 
3  QtSupport::QtKitAspect::qtVersion                                                                                                        qtkitaspect.cpp           392  0x7fffb4505e61 
4  QtSupport::QtKitAspectFactory::addToBuildEnvironment                                                                                     qtkitaspect.cpp           313  0x7fffb45054fa 
5  ProjectExplorer::Kit::addToBuildEnvironment                                                                                              kit.cpp                   529  0x7fff90e8428c 
6  ProjectExplorer::Kit::buildEnvironment                                                                                                   kit.cpp                   542  0x7fff90e84478 
7  CppEditor::CppModelManager::setupFallbackProjectPart                                                                                     cppmodelmanager.cpp       1968 0x7fff7b96b598 
8  QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void ( *)()>::call(void ( *&)(), void * *)                     qobjectdefs_impl.h        129  0x7fff7b864984 
9  QtPrivate::FunctionPointer<void ( *)()>::call<QtPrivate::List<>, void>(void ( *)(), void *, void * *)                                    qobjectdefs_impl.h        198  0x7fff7b862045 
10 QtPrivate::QStaticSlotObject<void ( *)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void * *, bool *) qobject_impl.h            54   0x7fff7b85ffb4 
11 QtPrivate::QSlotObjectBase::call                                                                                                         qobjectdefs_impl.h        374  0x7ffff4b9dc61 
12 doActivate<false>                                                                                                                        qobject.cpp               4036 0x7ffff4c16762 
13 QMetaObject::activate                                                                                                                    qobject.cpp               4096 0x7ffff4c0c707 
14 QTimer::timeout                                                                                                                          moc_qtimer.cpp            276  0x7ffff4c395e0 
15 QTimer::timerEvent                                                                                                                       qtimer.cpp                245  0x7ffff4c381c6 
16 QObject::event                                                                                                                           qobject.cpp               1415 0x7ffff4c047ce 
17 QApplicationPrivate::notify_helper                                                                                                       qapplication.cpp          3290 0x7ffff69a9d96 
18 QApplication::notify                                                                                                                     qapplication.cpp          3241 0x7ffff69a9b88 
19 QCoreApplication::notifyInternal2                                                                                                        qcoreapplication.cpp      1119 0x7ffff4b7a407 
20 QCoreApplication::sendEvent                                                                                                              qcoreapplication.cpp      1537 0x7ffff4b7afa9 
21 QTimerInfoList::activateTimers                                                                                                           qtimerinfo_unix.cpp       613  0x7ffff4e2ceda 
22 timerSourceDispatch                                                                                                                      qeventdispatcher_glib.cpp 149  0x7ffff4fcd9e6 
23 g_main_context_dispatch                                                                                                                                                 0x7ffff451bd3b 
24 ??                                                                                                                                                                      0x7ffff4571258 
25 g_main_context_iteration                                                                                                                                                0x7ffff45193e3 
26 QEventDispatcherGlib::processEvents                                                                                                      qeventdispatcher_glib.cpp 393  0x7ffff4fce510 
27 QXcbGlibEventDispatcher::processEvents                                                                                                   qxcbeventdispatcher.cpp   96   0x7ffff051d22a 
28 QEventLoop::processEvents                                                                                                                qeventloop.cpp            100  0x7ffff4b8e98f 
29 QEventLoop::exec                                                                                                                         qeventloop.cpp            182  0x7ffff4b8ecfe 
30 ExtensionSystem::Internal::PluginManagerPrivate::shutdown                                                                                pluginmanager.cpp         1398 0x7ffff7f3bfef 
31 ExtensionSystem::PluginManager::shutdown                                                                                                 pluginmanager.cpp         391  0x7ffff7f35171 
32 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void ( *)()>::call(void ( *&)(), void * *)                     qobjectdefs_impl.h        129  0x5555555772e0 
33 QtPrivate::FunctionPointer<void ( *)()>::call<QtPrivate::List<>, void>(void ( *)(), void *, void * *)                                    qobjectdefs_impl.h        198  0x55555557572d 
34 QtPrivate::QStaticSlotObject<void ( *)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void * *, bool *) qobject_impl.h            54   0x55555557397c 
35 QtPrivate::QSlotObjectBase::call                                                                                                         qobjectdefs_impl.h        374  0x7ffff4b9dc61 
36 doActivate<false>                                                                                                                        qobject.cpp               4036 0x7ffff4c16762 
37 QMetaObject::activate                                                                                                                    qobject.cpp               4096 0x7ffff4c0c707 
38 QCoreApplication::aboutToQuit                                                                                                            moc_qcoreapplication.cpp  327  0x7ffff4b7f6ea 
39 QCoreApplication::exit                                                                                                                   qcoreapplication.cpp      1499 0x7ffff4b7ae94 
40 QCoreApplication::event                                                                                                                  qcoreapplication.cpp      2027 0x7ffff4b7c744 
41 QApplication::event                                                                                                                      qapplication.cpp          1683 0x7ffff69a3a0c 
42 SharedTools::QtSingleApplication::event                                                                                                  qtsingleapplication.cpp   100  0x55555557dc1e 
43 QApplicationPrivate::notify_helper                                                                                                       qapplication.cpp          3290 0x7ffff69a9d96 
44 QApplication::notify                                                                                                                     qapplication.cpp          3241 0x7ffff69a9b88 
45 QCoreApplication::notifyInternal2                                                                                                        qcoreapplication.cpp      1119 0x7ffff4b7a407 
46 QCoreApplication::sendEvent                                                                                                              qcoreapplication.cpp      1537 0x7ffff4b7afa9 
47 QCoreApplicationPrivate::sendPostedEvents                                                                                                qcoreapplication.cpp      1899 0x7ffff4b7bf00 
48 QCoreApplication::sendPostedEvents                                                                                                       qcoreapplication.cpp      1758 0x7ffff4b7b7ce 
49 postEventSourceDispatch                                                                                                                  qeventdispatcher_glib.cpp 243  0x7ffff4fcdc4e 
50 g_main_context_dispatch                                                                                                                                                 0x7ffff451bd3b 
51 ??                                                                                                                                                                      0x7ffff4571258 
52 g_main_context_iteration                                                                                                                                                0x7ffff45193e3 
53 QEventDispatcherGlib::processEvents                                                                                                      qeventdispatcher_glib.cpp 393  0x7ffff4fce510 
54 QXcbGlibEventDispatcher::processEvents                                                                                                   qxcbeventdispatcher.cpp   96   0x7ffff051d22a 
55 QEventLoop::processEvents                                                                                                                qeventloop.cpp            100  0x7ffff4b8e98f 
56 QEventLoop::exec                                                                                                                         qeventloop.cpp            182  0x7ffff4b8ecfe 
57 QCoreApplication::exec                                                                                                                   qcoreapplication.cpp      1440 0x7ffff4b7ad72 
58 QGuiApplication::exec                                                                                                                    qguiapplication.cpp       1925 0x7ffff59e6146 
59 QApplication::exec                                                                                                                       qapplication.cpp          2569 0x7ffff69a6d83 
60 main                                                                                                                                     main.cpp                  831  0x555555565662