Add extra checking in ExplosiveActor Explode method

Source/Nakatomi/ExplosiveActor.cpp

@@ -47,6 +47,8 @@ void AExplosiveActor::Explode()
 	                                     FCollisionShape::MakeSphere(ExplosionRadius));
 
 	for (FOverlapResult Overlaps : outOverlaps)
+	{
+		if (Overlaps.GetActor())
 		{
 			UHealthComponent* healthComponent = Overlaps.GetActor()->GetComponentByClass<UHealthComponent>();
 
@@ -58,6 +60,7 @@ void AExplosiveActor::Explode()
 				healthComponent->TakeDamage(Overlaps.GetActor(), scale * MaxDamage, nullptr, nullptr, this);
 			}
 		}
+	}
 
 	if (FieldSystemActor)
 	{