I enabled the blueprint profiler and while trying to resolve some errors, the editor started to crash every time I tried to compile. Turning the profiler off resolved the issue. Crash log below
MachineId:F0042523A64FEA0F892E9CAF543ABDFA
SEGV_MAPERR at 0x3
FGenericPlatformMisc::RaiseException(unsigned int) Address = 0x107abfdbb (filename not found) [in UE4Editor-Core.dylib]
FOutputDeviceMacError::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&) Address = 0x107c78378 (filename not found) [in UE4Editor-Core.dylib]
FOutputDevice::Logf(wchar_t const*, …) Address = 0x107d55d17 (filename not found) [in UE4Editor-Core.dylib]
FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, …) Address = 0x107cd4b7e (filename not found) [in UE4Editor-Core.dylib]
FBlueprintFunctionContext::CreateExecutionNode(FScriptExecNodeParams&) Address = 0x11f062046 (filename not found) [in UE4Editor-BlueprintProfiler.dylib]
FBlueprintFunctionContext::MapNodeExecution(UEdGraphNode*) Address = 0x11f053f9b (filename not found) [in UE4Editor-BlueprintProfiler.dylib]
FBlueprintFunctionContext::MapFunction() Address = 0x11f0502d1 (filename not found) [in UE4Editor-BlueprintProfiler.dylib]
FBlueprintExecutionContext::MapBlueprintExecution() Address = 0x11f03e28f (filename not found) [in UE4Editor-BlueprintProfiler.dylib]
FBlueprintExecutionContext::InitialiseContext(FString const&) Address = 0x11f02327a (filename not found) [in UE4Editor-BlueprintProfiler.dylib]
FBlueprintProfiler::GetOrCreateBlueprintContext(FString const&) Address = 0x11f022876 (filename not found) [in UE4Editor-BlueprintProfiler.dylib]
FBlueprintProfiler::AddInstrumentedBlueprint(UBlueprint*) Address = 0x11f0222d0 (filename not found) [in UE4Editor-BlueprintProfiler.dylib]
FBlueprintEditor::Compile() Address = 0x1168da1b1 (filename not found) [in UE4Editor-Kismet.dylib]
TBaseSPMethodDelegateInstance ()>::Execute() const Address = 0x1169c299b (filename not found) [in UE4Editor-Kismet.dylib]
TBaseSPMethodDelegateInstance::ExecuteIfSafe() const Address = 0x1169c2a3b (filename not found) [in UE4Editor-Kismet.dylib]
FUICommandList::ExecuteAction(TSharedRef) const Address = 0x10e00c80d (filename not found) [in UE4Editor-Slate.dylib]
SToolBarButtonBlock::OnClicked() Address = 0x10e14ce1e (filename not found) [in UE4Editor-Slate.dylib]
TBaseSPMethodDelegateInstance::Execute() const Address = 0x10e1d7021 (filename not found) [in UE4Editor-Slate.dylib]
SButton::OnMouseButtonUp(FGeometry const&, FPointerEvent const&) Address = 0x10e21d860 (filename not found) [in UE4Editor-Slate.dylib]
FSlateApplication::RoutePointerUpEvent(FWidgetPath&, FPointerEvent&) Address = 0x10dfdd7c0 (filename not found) [in UE4Editor-Slate.dylib]
FSlateApplication::ProcessMouseButtonUpEvent(FPointerEvent&) Address = 0x10df819ce (filename not found) [in UE4Editor-Slate.dylib]
FSlateApplication::OnMouseUp(EMouseButtons::Type, FVector2D) Address = 0x10dfe632a (filename not found) [in UE4Editor-Slate.dylib]
FMacApplication::ProcessEvent(FDeferredMacEvent const&) Address = 0x107c11d1f (filename not found) [in UE4Editor-Core.dylib]
FMacApplication::ProcessDeferredEvents(float) Address = 0x107c0fb0f (filename not found) [in UE4Editor-Core.dylib]
FSlateApplication::TickPlatform(float) Address = 0x10dfaa745 (filename not found) [in UE4Editor-Slate.dylib]
FSlateApplication::Tick() Address = 0x10dfa9c3b (filename not found) [in UE4Editor-Slate.dylib]
FEngineLoop::Tick() Address = 0x1079d5d65 (filename not found) [in UE4Editor]
GuardedMain(wchar_t const*) Address = 0x1079dbb72 (filename not found) [in UE4Editor]
-[UE4AppDelegate runGameThread:] Address = 0x1079e916c (filename not found) [in UE4Editor]
-[FCocoaGameThread main] Address = 0x107c07526 (filename not found) [in UE4Editor-Core.dylib]
Unknown() Address = 0x7fff94b56e64 (filename not found) [in Foundation]
_pthread_body Address = 0x7fff88a7f99d (filename not found) [in libsystem_pthread.dylib]
_pthread_body Address = 0x7fff88a7f91a (filename not found) [in libsystem_pthread.dylib]
thread_start Address = 0x7fff88a7d351 (filename not found) [in libsystem_pthread.dylib]