Removing created event from level BP crashes editor if event is tied to object in level

UPDATE: 2/23/2015

Crash is limited to 4.6.1, does not occur in 4.7 Preview 8 or later builds (CL#2448202).
==========================================================

Editor crashes if an event is tied to an actor in the level then the event is deleted from the level blueprint.

CrashReporter: [Link Removed]

Frequency: 5/5

1. Download .zip at below link and unzip project.

[Link Removed]

2. Open Project>LevelBogo
3. Open Blueprints>Level Blueprint
4. Find Event ActPenta2 (Pentagram2)
5. Delete Event ActPenta2 (Pentagram2)

MachineId:4E82586D46B558EA69EF0EAA821297B1
EpicAccountId:1558531203f84e81b70959b8a59badef

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

UE4Editor_BlueprintGraph + 1035469 bytes
UE4Editor_BlueprintGraph + 839899 bytes
UE4Editor_UnrealEd + 9644094 bytes
UE4Editor_Kismet + 948096 bytes
UE4Editor_Kismet + 992849 bytes
UE4Editor_Kismet + 1007926 bytes
UE4Editor_Slate + 525779 bytes
UE4Editor_Slate + 825548 bytes
UE4Editor_GraphEditor + 1659343 bytes
UE4Editor_Slate + 429026 bytes
UE4Editor_Slate + 155469 bytes
UE4Editor_Slate + 161930 bytes
UE4Editor_Slate + 827913 bytes
UE4Editor_Slate + 766152 bytes
UE4Editor_Core + 2483908 bytes
UE4Editor_Core + 2400763 bytes
UE4Editor_Core + 2489275 bytes
UE4Editor_Core + 2387186 bytes
user32 + 105425 bytes
user32 + 104666 bytes
UE4Editor_Core + 2490486 bytes
UE4Editor!FEngineLoop::Tick() + 3434 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\launchengineloop.cpp:2193]
UE4Editor!GuardedMain() + 479 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\launch.cpp:131]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]