Not sure if it's memory related, as I have 32 GB of RAM and 16GB of VRAM, so I'd think it's enough.
But I didn't find any error log files in the game's directory. Are they saved somewhere else?
For memory related crashes, it's a bit weird. Its not related to how much memory your computer has, but rather how much memory your computer arbitrarily gives to the game. I don't know why, but some computers assign less memory to the game than most others, even if they have a lot of memory available, and then the program is closed if the memory usage exceeds what is allowed.
The game does not generate log files when run as a standalone. Though, if you find a crash occurring in the same spot consistently, then it wouldn't be a memory issue and I can look into why that crash is happening if you let me know where it is. I did upload a few optimizations since your last reply to further reduce the memory load of the game so hopefully the newest version will be more stable for you.