[4.6.1] Editor crash with the profiler

The editor crash at open the Sesion Frontend → Profiler → Start Data Preview, then press start/play the game and the engine freeze and crash or crash at press stop the game.

Unknown exception - code 00000001 (first/second chance not available)

Assertion failed: IsFrameValid(TargetFrame) [File:D:\UE4\UE4_L_6.1\Engine\Source\Runtime\Core\Private\Stats\StatsData.cpp] [Line: 962] 

KERNELBASE + 37901 bytes
UE4Editor_Core!FOutputDeviceWindowsError::Serialize() + 285 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:95]
UE4Editor_Core!FOutputDevice::Logf__VA() + 248 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\misc\outputdevice.cpp:144]
UE4Editor_Core!FDebug::AssertFailed() + 1042 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\misc\outputdevice.cpp:224]
UE4Editor_Core!FStatsThreadState::GetCondensedHistory() + 84 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\stats\statsdata.cpp:962]
UE4Editor_Core!FStatsWriteFile::WriteFrame() + 308 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\stats\statsfile.cpp:359]
UE4Editor_ProfilerService!FProfilerServiceManager::HandleNewFrame() + 215 bytes [d:\ue4\ue4_l_6.1\engine\source\developer\profilerservice\private\profilerservicemanager.cpp:768]
UE4Editor_ProfilerService!TBaseRawMethodDelegateInstance<0,FProfilerServiceManager,void __cdecl(__int64)>::ExecuteIfSafe() + 38 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:562]
UE4Editor_Core!TBaseMulticastDelegate<void,__int64>::Broadcast() + 147 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\public\delegates\delegatesignatureimpl_variadics.inl:978]
UE4Editor_Core!FStatsThreadState::AddToHistoryAndEmpty() + 4142 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\stats\statsdata.cpp:780]
UE4Editor_Core!FStatsThread::Tick() + 2264 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\stats\stats2.cpp:687]
UE4Editor_Core!FStatsThread::StatMessage() + 713 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\stats\stats2.cpp:713]
UE4Editor_Core!TGraphTask<FStatMessagesTask>::ExecuteTask() + 360 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\public\async\taskgraphinterfaces.h:667]
UE4Editor_Core!FTaskThread::ProcessTasks() + 2979 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\async\taskgraph.cpp:428]
UE4Editor_Core!FTaskThread::ProcessTasksUntilQuit() + 77 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\async\taskgraph.cpp:271]
UE4Editor_Core!FStatsThread::Run() + 38 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\stats\stats2.cpp:652]
UE4Editor_Core!FRunnableThreadWin::Run() + 86 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:73]
UE4Editor_Core!FRunnableThreadWin::GuardedRun() + 93 bytes [d:\ue4\ue4_l_6.1\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:26]
kernel32 + 88557 bytes
ntdll + 181569 bytes

Hey -

I was able to reproduce the crash you mentioned in 4.6.1 from the Launcher. However this has been fixed and is already included in the 4.7 preview 7 available.

Cheers

Thanks you.