I'm playing on PS4. I've gone to multiple pages and done everything that has been said. (i.e. waiting days, going to jail, doing quests that remove or replace the follower) But the thing is, I only use two followers, Serena and Marcurio, and I know where both of them are, but neither are my current follower and they both tell me I have someone with me so they can't become my follower. Please help.