UE 4.18 Crash - UE4-Editor.dll

We are getting a weird crash and cannot see and user made code within the output of the error.
UE4Editor-Core.dll!rml::internal::ExtMemoryPool::initTLS(void) Unknown Non-user code. Symbols loaded.
UE4Editor-Core.dll!scalable_realloc() Unknown Non-user code. Symbols loaded.
> UE4Editor-Core.dll!FMallocTBB::Realloc(void * Ptr, unsigned int64 NewSize, unsigned int Alignment) Line 105 C++ Symbols loaded.
UE4Editor-Core.dll!FMemory::Realloc(void * Original, unsigned int64 Count, unsigned int Alignment) Line 48 C++ Symbols loaded.
[Inline Frame] UE4Editor-Core.dll!FHeapAllocator::ForAnyElementType::ResizeAllocation(int) Line 373 C++ Symbols loaded.
UE4Editor-Core.dll!TArray<wchar_t,FDefaultAllocator>::ResizeGrow(int OldNum) Line 2244 C++ Symbols loaded.
[Inline Frame] UE4Editor-Core.dll!TArray<wchar_t,FDefaultAllocator>::AddUninitialized(int) Line 1198 C++ Symbols loaded.
[Inline Frame] UE4Editor-Core.dll!FString::{ctor}(const wchar_t *) Line 140 C++ Symbols loaded.
UE4Editor-Core.dll!FStatsUtils::ToEscapedFString(const wchar_t * Source) Line 2092 C++ Symbols loaded.
UE4Editor-Core.dll!FStatNameAndInfo::ToLongName(FName InStatName, const char * InGroup, const char * InCategory, const wchar_t * InDescription) Line 734 C++ Symbols loaded.
[Inline Frame] UE4Editor-Core.dll!FStatNameAndInfo::{ctor}(FName) Line 422 C++ Symbols loaded.
[Inline Frame] UE4Editor-Core.dll!FStatMessage::{ctor}(FName) Line 685 C++ Symbols loaded.
UE4Editor-Core.dll!FStartupMessages::AddMetadata(FName InStatName, const wchar_t * InStatDesc, const char * InGroupName, const char * InGroupCategory, const wchar_t * InGroupDesc, bool bShouldClearEveryFrame, EStatDataType::Type InStatType, bool bCycleStat, FWindowsPlatformMemory::EMemoryCounterRegion InMemoryRegion) Line 327 C++ Symbols loaded.
UE4Editor-Core.dll!FDynamicStats::CreateStatId<FStatGroup_STATGROUP_UObjects>(const FName StatNameOrDescription) Line 489 C++ Symbols loaded.
[Inline Frame] UE4Editor-Core.dll!FDynamicStats::CreateStatId(const FString &) Line 473 C++ Symbols loaded.
UE4Editor-Core.dll!FModuleManager::LoadModuleWithFailureReason(const FName InModuleName, EModuleLoadResult & OutFailureReason, const bool bWasReloaded) Line 369 C++ Symbols loaded.
UE4Editor-Core.dll!FModuleManager::LoadModule(const FName InModuleName, const bool bWasReloaded) Line 338 C++ Symbols loaded.
UE4Editor-Core.dll!FModuleManager::LoadModuleChecked(const FName InModuleName, const bool bWasReloaded) Line 349 C++ Symbols loaded.
[Inline Frame] UE4Editor-UnrealEd.dll!FModuleManager::LoadModuleChecked(const FName) Line 308 C++ Symbols loaded.
UE4Editor-UnrealEd.dll!UEditorEngine::Tick(float DeltaSeconds, bool bIdleMode) Line 1780 C++ Symbols loaded.
UE4Editor-UnrealEd.dll!UUnrealEdEngine::Tick(float DeltaSeconds, bool bIdleMode) Line 396 C++ Symbols loaded.
UE4Editor.exe!FEngineLoop::Tick() Line 3296 C++ Symbols loaded.
[Inline Frame] UE4Editor.exe!EngineTick() Line 62 C++ Symbols loaded.
UE4Editor.exe!GuardedMain(const wchar_t * CmdLine, HINSTANCE
* hInInstance, HINSTANCE
* hPrevInstance, int nCmdShow) Line 166 C++ Symbols loaded.
UE4Editor.exe!WinMain(HINSTANCE__ * hInInstance, HINSTANCE__ * hPrevInstance, char * __formal, int nCmdShow) Line 199 C++ Symbols loaded.
[External Code] Annotated Frame