Lo-Fi Games

mod list included in attachments
Genesis
fresh save
had 2 crashes in deadlands
attempted to took different path to try loading different entities the 2nd time
might be related to Old Pyramids

Unfortunately, with Genesis on there isn't much I can suggest to help. The mod is incredibly unstable lately after their latest update. Odds are any crash is coming from Genesis, or and incompatibility between it or another mod. So you you need to take it up with the authors of those mods.