Crash clicking on the Reload button in the Modules window

Assertion failed: !IsModuleLoaded(InModuleName) [File:D:\Build\++UE4+Main+Compile\Sync\Engine\Source\Runtime\Core\Private\Modules\ModuleManager.cpp] [Line: 1087] 



UE4Editor_Core!FDebug::AssertFailed() [d:\build\++ue4+main+compile\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:349]
UE4Editor_Core!FModuleManager::UnloadOrAbandonModuleWithCallback() [d:\build\++ue4+main+compile\sync\engine\source\runtime\core\private\modules\modulemanager.cpp:1087]
UE4Editor_Core!FModuleManager::Exec() [d:\build\++ue4+main+compile\sync\engine\source\runtime\core\private\modules\modulemanager.cpp:817]
UE4Editor_Core!FSelfRegisteringExec::StaticExec() [d:\build\++ue4+main+compile\sync\engine\source\runtime\core\private\misc\coremisc.cpp:54]
UE4Editor_CoreUObject!StaticExec() [d:\build\++ue4+main+compile\sync\engine\source\runtime\coreuobject\private\uobject\obj.cpp:3999]
UE4Editor_Engine!UEngine::Exec() [d:\build\++ue4+main+compile\sync\engine\source\runtime\engine\private\unrealengine.cpp:2685]
UE4Editor_UnrealEd!UEditorEngine::Exec() [d:\build\++ue4+main+compile\sync\engine\source\editor\unrealed\private\editorserver.cpp:5731]
UE4Editor_UnrealEd!UUnrealEdEngine::Exec() [d:\build\++ue4+main+compile\sync\engine\source\editor\unrealed\private\unrealedsrv.cpp:672]
UE4Editor_Engine!UEngine::TickDeferredCommands() [d:\build\++ue4+main+compile\sync\engine\source\runtime\engine\private\unrealengine.cpp:1204]
UE4Editor!FEngineLoop::Tick() [d:\build\++ue4+main+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:3289]
UE4Editor!GuardedMain() [d:\build\++ue4+main+compile\sync\engine\source\runtime\launch\private\launch.cpp:166]
UE4Editor!GuardedMainWrapper() [d:\build\++ue4+main+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:134]
UE4Editor!WinMain() [d:\build\++ue4+main+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll