I've had this issue a couple times today. Its always a Unreal engine crash with the same code. Below is copied directly from the crash log. Attached is the zip file of the crash reports
Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff
ProjectCoral_Win64_Shipping!UC_ItemProcessingComponent::OnDateChanged() [E:\5cee532557e86d4\ue4\ProjectCoral\Source\ProjectCoral\World\Actors\TileBasedActor\ItemProcessor\C_ItemProcessingComponent.cpp:99]
ProjectCoral_Win64_Shipping!AC_AutoChest::OnDateChanged() [E:\5cee532557e86d4\ue4\ProjectCoral\Source\ProjectCoral\World\Actors\TileBasedActor\AutoChest\C_AutoChest.cpp:638]
ProjectCoral_Win64_Shipping!AC_AutoChest::execOnDateChanged() [E:\5cee532557e86d4\ue4\ProjectCoral\Intermediate\Build\Win64\UE4\Inc\ProjectCoral\C_AutoChest.gen.cpp:163]
ProjectCoral_Win64_Shipping!UFunction::Invoke() [d:\denny-ue4\engine\source\runtime\coreuobject\private\uobject\class.cpp:5680]
ProjectCoral_Win64_Shipping!UObject::ProcessEvent() [d:\denny-ue4\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:2018]
ProjectCoral_Win64_Shipping!AActor::ProcessEvent() [d:\denny-ue4\engine\source\runtime\engine\private\actor.cpp:866]
ProjectCoral_Win64_Shipping!TMulticastScriptDelegate<FWeakObjectPtr>::ProcessMulticastDelegate<UObject>() [D:\UnrealEngine\Engine\Source\Runtime\Core\Public\UObject\ScriptDelegates.h:488]
ProjectCoral_Win64_Shipping!AC_TimeManager::AdvanceCalendar_Implementation() [E:\5cee532557e86d4\ue4\ProjectCoral\Source\ProjectCoral\Time\C_TimeManager.cpp:670]
ProjectCoral_Win64_Shipping!UFunction::Invoke() [d:\denny-ue4\engine\source\runtime\coreuobject\private\uobject\class.cpp:5680]
ProjectCoral_Win64_Shipping!UObject::ProcessEvent() [d:\denny-ue4\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:2018]
ProjectCoral_Win64_Shipping!AActor::ProcessEvent() [d:\denny-ue4\engine\source\runtime\engine\private\actor.cpp:866]
ProjectCoral_Win64_Shipping!AC_TimeManager::SetCurrentState() [E:\5cee532557e86d4\ue4\ProjectCoral\Source\ProjectCoral\Time\C_TimeManager.cpp:549]
ProjectCoral_Win64_Shipping!FTimerManager::Tick() [d:\denny-ue4\engine\source\runtime\engine\private\timermanager.cpp:878]
ProjectCoral_Win64_Shipping!UWorld::Tick() [d:\denny-ue4\engine\source\runtime\engine\private\leveltick.cpp:1563]
ProjectCoral_Win64_Shipping!UGameEngine::Tick() [d:\denny-ue4\engine\source\runtime\engine\private\gameengine.cpp:1823]
ProjectCoral_Win64_Shipping!FEngineLoop::Tick() [d:\denny-ue4\engine\source\runtime\launch\private\launchengineloop.cpp:4923]
ProjectCoral_Win64_Shipping!GuardedMain() [d:\denny-ue4\engine\source\runtime\launch\private\launch.cpp:178]
ProjectCoral_Win64_Shipping!GuardedMainWrapper() [d:\denny-ue4\engine\source\runtime\launch\private\windows\launchwindows.cpp:137]
ProjectCoral_Win64_Shipping!LaunchWindowsStartup() [d:\denny-ue4\engine\source\runtime\launch\private\windows\launchwindows.cpp:273]
ProjectCoral_Win64_Shipping!WinMain() [d:\denny-ue4\engine\source\runtime\launch\private\windows\launchwindows.cpp:320]
ProjectCoral_Win64_Shipping!__scrt_common_main_seh() [D:\a_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
kernel32
ntdll