Crashing upon leaving Waterfall Cave

[Cyffrx]

I entered Waterfall Cave (likely early). Did some exploring, killing, etcetera, and my game is repeatedly crashing upon exiting the cave. Checking the saves, it seems like the game is making a new save every time I attempt to leave. It has the loading screen as the save icon. Loading that save fails, loading my last manual save (taken just before exiting the cave) also fails.

I would generally ignore this and load the last manual, but that was an hour back. It looks like the new save that's failing to get created has kicked out all my other saves.

I've attached the last manual save. If it's recoverable, that'd be nice, otherwise I suppose I'll load the last manual.

DMLP256OB1MWO6F5G6Q8Z3AAU.sav