crash in ProjectExplorer.dll

Unhandled exception thrown: read access violation.

other._Mypair._Myval2 was nullptr.

If there is a handler for this exception, the program may be safely continued.
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QmakeProjectManager.dll!ProjectExplorer::ClonableModel<ProjectExplorer::StandardRunnable>::equals(const std::unique_ptr<ProjectExplorer::ClonableConcept,std::default_delete<ProjectExplorer::ClonableConcept> > & other) Line 176	C++
ProjectExplorer.dll!ProjectExplorer::RunControl::canReUseOutputPane(const ProjectExplorer::RunControl * other) Line 671	C++
ProjectExplorer.dll!ProjectExplorer::Internal::AppOutputPane::createNewOutputWindow(ProjectExplorer::RunControl * rc) Line 401	C++
ProjectExplorer.dll!ProjectExplorer::ProjectExplorerPluginPrivate::startRunControl(ProjectExplorer::RunControl * runControl, Core::Id runMode) Line 1972	C++
ProjectExplorer.dll!ProjectExplorer::ProjectExplorerPluginPrivate::executeRunConfiguration(ProjectExplorer::RunConfiguration * runConfiguration, Core::Id runMode) Line 1952	C++
ProjectExplorer.dll!ProjectExplorer::ProjectExplorerPluginPrivate::buildQueueFinished(bool success) Line 2009	C++
Qt5Core.dll!000000006a201be4()	Unknown
Qt5Core.dll!000000006a200938()	Unknown
Qt5Widgets.dll!0000000069ae7be2()	Unknown
Qt5Widgets.dll!0000000069ae6ae7()	Unknown
Qt5Core.dll!000000006a1db5d9()	Unknown
Qt5Core.dll!000000006a1dd37e()	Unknown
qwindows.dll!00007fffe6b3cbef()	Unknown
Qt5Core.dll!000000006a2239d5()	Unknown
[External Code]	
Qt5Core.dll!000000006a223106()	Unknown
qwindows.dll!00007fffe6b3cbc9()	Unknown
Qt5Core.dll!000000006a1d7cf3()	Unknown
Qt5Core.dll!000000006a1da367()	Unknown
qtcreator.exe!main(int argc, char * * argv) Line 527	C++
[External Code]