How Can I resolve the crash

Hi every one,

I got crash report every time I launch my project.
That appears when I was working on a grabbing system. I built my XCode project and after that UE4 Crash.

There is the log that give to me please I need to work…

SEGV_MAPERR at 0x3

FGenericPlatformMisc::RaiseException(unsigned int) Address = 0x1067bd44b (filename not found) [in UE4Editor-Core.dylib]
FOutputDeviceMacError::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&) Address = 0x1069822d8 (filename not found) [in UE4Editor-Core.dylib]
FOutputDevice::Logf(wchar_t const*, …) Address = 0x106a64197 (filename not found) [in UE4Editor-Core.dylib]
FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, …) Address = 0x1069dd196 (filename not found) [in UE4Editor-Core.dylib]
UObject::UObject() Address = 0x10777d792 (filename not found) [in UE4Editor-CoreUObject.dylib]
AActor::AActor(FObjectInitializer const&) Address = 0x107bea779 (filename not found) [in UE4Editor-Engine.dylib]
AController::AController(FObjectInitializer const&) Address = 0x1083716a7 (filename not found) [in UE4Editor-Engine.dylib]
APlayerController::APlayerController(FObjectInitializer const&) Address = 0x108de9e8b (filename not found) [in UE4Editor-Engine.dylib]
UGrabbingSystem::UGrabbingSystem() Address = 0x16d6e7a43 [/Users/henrydedonder/Documents/Unreal Projects/03_section/EscapeGame/Source/EscapeGame/GrabbingSystem.cpp, line 14] [in UE4Editor-EscapeGame.dylib]
UClass::CreateDefaultObject() Address = 0x1074d09e2 (filename not found) [in UE4Editor-CoreUObject.dylib]
ProcessNewlyLoadedUObjects() Address = 0x107755233 (filename not found) [in UE4Editor-CoreUObject.dylib]
TBaseStaticDelegateInstance::ExecuteIfSafe() const Address = 0x107518bd7 (filename not found) [in UE4Editor-CoreUObject.dylib]
TBaseMulticastDelegate::Broadcast() const Address = 0x1067badea (filename not found) [in UE4Editor-Core.dylib]
FModuleManager::LoadModuleWithFailureReason(FName, EModuleLoadResult&, bool) Address = 0x106ab25cf (filename not found) [in UE4Editor-Core.dylib]
FModuleDescriptor::LoadModulesForPhase(ELoadingPhase::Type, TArray const&, TMap >&) Address = 0x10c63ed78 (filename not found) [in UE4Editor-Projects.dylib]
FProjectManager::LoadModulesForProject(ELoadingPhase::Type) Address = 0x10c657ab7 (filename not found) [in UE4Editor-Projects.dylib]
FEngineLoop::LoadStartupModules() Address = 0x1066d92bf (filename not found) [in UE4Editor]
FEngineLoop::PreInit(wchar_t const*) Address = 0x1066be69f (filename not found) [in UE4Editor]
GuardedMain(wchar_t const*) Address = 0x1066d08d1 (filename not found) [in UE4Editor]
-[UE4AppDelegate runGameThread:] Address = 0x1066de53c (filename not found) [in UE4Editor]
-[FCocoaGameThread main] Address = 0x10690e366 (filename not found) [in UE4Editor-Core.dylib]
Unknown() Address = 0x7fff89759c6d (filename not found) [in Foundation]
_pthread_body Address = 0x7fff9d4a3aab (filename not found) [in libsystem_pthread.dylib]
_pthread_body Address = 0x7fff9d4a39f7 (filename not found) [in libsystem_pthread.dylib]
thread_start Address = 0x7fff9d4a31fd (filename not found) [in libsystem_pthread.dylib]