Unknown Cook Failure

Development Platform & Builds
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1

Getting an error, don’t know why. Here

2

the error is…

UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2017.06.12-21.10.03:876][ 0]LogBlueprint:Error: [Compiler PersistentLevel.MainMenu2] Error Spawn node K2Node_CreateWidget_0 must have a class specified. from Source: /Game/MainMenu2.MainMenu2:PersistentLevel.MainMenu2

and I think you could fix that error.