Unreal engine crash

Hi, I’m having a lot of crash recently, If I can launch my game twice before it crash then I’m happy!
It crash when I build a blueprint, or when I hit play…

Here is the last crash report :

Access violation - code c0000005 (first/second chance not available)

UE4Editor_Core!FTimespan::ToString() + 6 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc imespan.cpp:34]
UE4Editor_DetailCustomizations!FTimespanStructCustomization::HandleTextBoxText() + 177 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\detailcustomizations\private imespanstructcustomization.cpp:69]
UE4Editor_DetailCustomizations!TMemberFunctionCaller<FTimespanStructCustomization,FText (cdecl FTimespanStructCustomization::)(void)const _ptr64>::operator()<>() + 48 bytes [d:\buildfarm\buildmachine++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstanceinterface_variadics.h:161]
UE4Editor_DetailCustomizations!TTupleImpl<TIntegerSequence<> >::ApplyAfter_ExplicitReturnType<FText,TMemberFunctionCaller<FTimespanStructCustomization,FText (__cdecl FTimespanStructCustomization::
)(void)const ptr64> >() + 25 bytes [d:\buildfarm\buildmachine++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates uple.h:113]
UE4Editor_DetailCustomizations!TBaseSPMethodDelegateInstance<1,FTimespanStructCustomization,0,FText cdecl(void)>::Execute() + 89 bytes [d:\buildfarm\buildmachine++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegateinstancesimpl_variadics.inl:282]
UE4Editor_Slate!TBaseDelegate<FText>::Execute() + 26 bytes [d:\buildfarm\buildmachine
++depot+ue4-releases+4.7\engine\source\runtime\core\public\delegates\delegatesignatureimpl_variadics.inl:439]
UE4Editor_Slate!TAttribute<FText>::Get() + 56 bytes [d:\buildfarm\buildmachine
++depot+ue4-releases+4.7\engine\source\runtime\core\public\misc\attribute.h:135]
UE4Editor_Slate!SEditableText::GetStringToRender() + 117 bytes [d:\buildfarm\buildmachine
++depot+ue4-releases+4.7\engine\source\runtime\slate\private\widgets\input\seditabletext.cpp:2073]
UE4Editor_Slate!SEditableText::ComputeDesiredSize() + 268 bytes [d:\buildfarm\buildmachine
++depot+ue4-releases+4.7\engine\source\runtime\slate\private\widgets\input\seditabletext.cpp:1234]
UE4Editor_SlateCore!SWidget::CacheDesiredSize() + 23 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:392]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_SlateCore!SWidget::SlatePrepass() + 163 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swidget.cpp:380]
UE4Editor_Slate!PrepassWindowAndChildren() + 548 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:984]
UE4Editor_Slate!FSlateApplication::DrawPrepass() + 551 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1029]
UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() + 523 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1068]
UE4Editor_Slate!FSlateApplication::Tick() + 2879 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1323]
UE4Editor!FEngineLoop::Tick() + 4447 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launchengineloop.cpp:2284]
UE4Editor!GuardedMain() + 1404 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launch.cpp:142]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]

-make sure to post this on answerhub: https://answers.unrealengine/
-also post your crash log file -> documents/unrealproject/yourproject/saved/logs/the file which gets generated after the crash :slight_smile:

Perfect, Thanks!
I posted it there : https://answers.unrealengine/questions/238179/unreal-engine-471.html