Editor crashing on load

Hello. Any attempt to load UE4 editor (4.15.2) result in a crash.

Crash window has this info:
LoginId: is it safe to show this id to public?
EpicAccountId: is it safe to show this id to public?

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

UE4Editor_FCOM!AGridManager::GetGridHeight() [c:\work\red beat\fcom\source\fcom\gridmanager.cpp:34]
UE4Editor_FCOM!AMovablePawn::SetGridManagerPtr() [c:\work\red beat\fcom\source\fcom\movablepawn.cpp:47]
UE4Editor_FCOM!AMovablePawn::execSetGridManagerPtr() [c:\work\red beat\fcom\source\fcom\movablepawn.h:11]
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_CoreUObject
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_Engine
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor_UnrealEd
UE4Editor
UE4Editor
UE4Editor
UE4Editor
UE4Editor
kernel32
ntdll

After removing intermediate and saved folder from project, i managed to open project, but any attempt to navigate through assets result in crash with same info.

Any ideas where to look?