the only other thing I can think of is it's a workshop add-on issue?
you do have some workshop addons spewing ERROR: messages in your log, you also have addons directly placed into your spaceengine /addons folder, for example "addons/rodrigosmod098NEW (1).pak, which I guess could be not compatible with the latest steam version and should be removed. There's an addon somewhere doing something wrong with Mars, making Mars-related addons not finding the object "Mars".
It's very likely there are some errors in addons causing a cascade of issues. The only way to be 100% sure and find culprits is removing them, add them back one at a time, deleting cache for each one, and check the log for when it throws lines with ERROR: messages again. Especially Rodrigo's mods, the error you have shown before happens where there are mods with possibly incompatible shaders with the latest version.
Is unsubscribing from the add-ons enough or do I need to physically go into those folders and remove the add-ons (for example Rodrigo's Mod)? I can do that. Also, is there a quick way to clear the add-ons' cache-- like, for example, after I delete the add-ons directly from the folder (or unsubscribe or both) should I reinstall the latest video driver (clean install), will that clear all the cache automatically when I rerun SE for the first time after the reinstall of the video driver? And should I get rid of all the add-ons, even ones I installed from before January (when I wasn't having any issues)? Thanks!
As far as Mars is concerned, I added the Mars Rovers mod in January and I did unsubscribe from that along with the rest of the 2022 mods I added but doing that had no effect on this error. Should I keep them unsubscribed regardless?
Should I remove just Rodrigo's Mod from this folder or others too? The planet and ship add-ons were working fine before this. I don't actually delete the files outright, I just move them into an external folder on my other hard drive.
edit- I removed the two 098 add-ons (Rodrigo's Mod and the Mountain Mod) as well as Teegardens fictional planetary add-on. I left the others intact. Do I need to clear the cache or should I just see what happens with what I've done so far?