I’m now meet a problem: UINTERFACE(MinimalAPI,BlueprintType, meta = (CannotImplementInterfaceInBlueprint)) class UTestInterface : public UInterface { GENERATED_BODY() }; class TEST_API ITestInterface { GENERATED_BODY() }; UCLASS(NotBlueprintable, NotBlueprintType) class TEST_API UTestInterfaceI…

Hi Jack, I looked internally, and this bug has already been reported and is currently assigned to a developer. In the meantime, it seems like the only workaround is to split up the interface and the class that implements it.

Can't place UInterface and it's implementation class in one header?

Development Programming & Scripting UI

Jack_Myth (Jack_Myth) November 16, 2018, 3:34am 7

I‘m glad to hear that. Thanks.