You had loaded a MOD and saved it in the savegame, this is no longer available, but is required by the SAVEGAME.
stdout.txt
Line 1764 to line 1809
Check the *.lua with the search function
b10d_nlb1.lua
then you can see which mod this belongs to.
You should definitely pay attention to the order of your mods
etc...
WARNING: The following models were removed because they reference an invalid resource:
* asset/znacka_kulata_1.mdl was removed because the following resources were missing:
- res/models/material/asset/Material_kulata_001.mtl
Steam 2458946769 Updaten !!!