[Tool] WidgetBox - Recycle your widgets the smart way

I sometimes get this crash. I have confirmed it only occurs with widgets that make use of the widgetbox. It says I have stuff erroring before pre-construct.


[2018.12.08-15.20.20:133][366]LogWindows: Error: === Critical error: ===
[2018.12.08-15.20.20:133][366]LogWindows: Error:
[2018.12.08-15.20.20:133][366]LogWindows: Error: Assertion failed: !IsUnreachable() [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\CoreUObject\Private\UObject\ScriptCore.cpp] [Line: 1319]
[2018.12.08-15.20.20:133][366]LogWindows: Error: RadarBlip_C /Engine/Transient.GameEngine_0:BP_MyGameInstance_C_0.RadarBlip_C_2 Function: '/Script/UMG.UserWidget:PreConstruct'

Any idea?