I appreciate the prompt reply. It's unfortunate that the save can't be restored, but I hope that I can prevent it from happening again.

I've only played for about 60 hours so far but have not experienced any other crashes.

I'm not sure if I have the log file from the first crash. Here is the ...

Hello,

I'm playing the game on steam without any mods. The game suddenly crashed. When I try to restart the world or any of its autosaves, I receive this message:

"Corrupt map: unknown item prototype ID 65535"

Here is a link to a folder containing the log file and the save file:
https://drive ...