When I delete or move or add "Geometry Brush" Editor 4.2.1 crash through once deleted or moved or add "Geometry Brush"

I have many “box brushes” and i need delete or move or add some.
When I open Editor and delete or move or add one “box brush” Editor don’t crash, but when i delete or move or add second i have crash:

!Id:daeb5c6ddd41631c8d39490d8684f7fa

Unknown exception - code 00000001 (first/second chance not available)

Assertion failed: IsValid() [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.2\Engine\Source\Runtime\Core\Public\Templates\SharedPointer.h] [Line: 649]

KERNELBASE + 23544 bytes
UE4Editor_Core + 2998748 bytes
UE4Editor_Core + 1620298 bytes
UE4Editor_Core + 1561376 bytes
UE4Editor_PropertyEditor + 1226317 bytes
UE4Editor_PropertyEditor + 1047792 bytes
UE4Editor_PropertyEditor + 804208 bytes
UE4Editor_PropertyEditor + 761649 bytes
UE4Editor_PropertyEditor + 778855 bytes
UE4Editor_DetailCustomizations + 2986294 bytes
UE4Editor_DetailCustomizations + 3004875 bytes
UE4Editor_UnrealEd + 2395438 bytes
UE4Editor_UnrealEd + 1460260 bytes
UE4Editor_UnrealEd + 5375494 bytes
UE4Editor!FEngineLoop::Tick() + 3555 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.2\engine\source\runtime\launch\private\launchengineloop.cpp:2091]
UE4Editor!GuardedMain() + 476 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.2\engine\source\runtime\launch\private\launch.cpp:132]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.2\engine\source\runtime\launch\private\windows\launchwindows.cpp:125]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.2\engine\source\runtime\launch\private\windows\launchwindows.cpp:207]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]

See my log and dump below.

My dxdiag

I create my project in “EngineVersion 4.2.0”, but work in 4.2.1.

Now i create new empty project in “EngineVersion 4.2.1” and migrate from my project to this new project:

  1. my level
  2. “game” folder

Then i open my migrated level in new project and try add several “Geometry Brushes”, move and delete them.

Well, but Editor don’t crash! I’m happy. :slight_smile:

Ie I moved the project to the new version of the engine, from 4.2.0 to 4.2.1.