Fixed the issue. able to launch the editor again.

Time to be sad, and drunk, or high.

Source/Aura/Public/Interact/EnemyInterface.h

@@ -18,12 +18,12 @@ class UEnemyInterface : public UInterface
  */
 class AURA_API IEnemyInterface
 {
-	GENERATED_BODY() 
+	GENERATED_BODY()
 
 	// Add interface functions to this class. This is the class that will be inherited to implement this interface.
 public:
 	
-	virtual void HighlightActor();
+	virtual void HighlightActor() = 0;
 	virtual void UnHighlightActor() = 0;
 	
 };