While Playing on our self-hosted server, my friend had entered the aether to explore, when he approached the Structure (Platinum Dungeon) where the Aer Whale King spawns the server crashed, the server restarted and we both logged back in and when he had loaded fully he carried on walking around the area and then crashed again (We are guessing the Aer Whale king had attempted to load again., the server now as soon as he logs in crashes.

I have attached the Crash logs from the server.

Crash Log 1: 28/10/2023 20:07 - AerWhaleCrash 28/10/2023 20:07 Pastebin
Crash Log 2: 28/10/2023 20:15 - AerWhaleCrash 28/10/2023 20:15 Pastebin

Can attest- same symptoms. Issue filed a few days ago: #676