Server shutdown when fighting the serpent man boss

Game mode: Online
Problem: Crash / Bug
Region: South America

Today i tried to kill the serpent man on my own server and when i started hitting the ghosts the server would shut itself down. I dont know if this means that i have corrupted files or if this is something that can be fixed with an update. A wipe is NOT an option and i have no idea on how you could replicate this.