Marinator

Hello everybody, Just a few moments ago, I crashed my server. If I restart it, I can log in, but it crashes again. Please fix it, I don't want to start a new world Edit: The modpack is Attack of the B-Team. It has something to do with my character riding a Plesiosaur while Morphed. Edit 2: I think I have fixed it by removing my playerdata. Thanks anyway The log: Here is the crash report