Okay, look in BP_Desk and BP_Player. New things are in colored comments. And I made a new BP_HelpSign, just in case. And I changed the justBill level too, you’ll see how in all works in there.
Also, I fixed your rotation problem. All you have to do is check Shortest Path in Lerp.
https://drive.google.com/file/d/16RDblYc6c0cGun-Iu9CAk8pPPQIfyFtu/view