If it’s running off an SD card then it’s very likely the SD card is broken. It’s better to run a pi off a USB SSD drive. Hope you have backups. Good luck either way.
Edit (more context):
https://hackaday.com/2019/04/08/give-your-raspberry-pi-sd-card-a-break-log-to-ram/
https://hackaday.com/2022/03/09/raspberry-pi-and-the-story-of-sd-card-corruption/
OP mentioned a Minecraft server, iirc that can be pretty noisy in the logs.