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;
 	
 };

Source/Aura/Public/Player/AuraPlayerController.h

@@ -7,7 +7,6 @@
 #include "Interact/EnemyInterface.h"
 #include "AuraPlayerController.generated.h"
 
-
 class UInputMappingContext;
 class UInputAction;
 struct FInputActionValue;
@@ -40,4 +39,13 @@ private:
 	void CursorTrace();
 	IEnemyInterface* LastActor;
 	IEnemyInterface* ThisActor;
+
+/*
+	TObjectPtr<AActor> LastActor;
+	TObjectPtr<AActor> ThisActor;
+
+	FHitResult CursorHit;
+	static void HightlightActor(AActor* Actor);
+	static void UnHightlightActor(AActor* Actor);
+*/	
 };