EDIT: with grimes spring mod 30 fps and random CTD's (Iterator outside array boundaries) without grimes mod 65-70 fps no CTD's I also had random CTDs with that warning when using Late Autumn/Mild Winter. What seems to have fixed it for me was lowering the vegetation draw distance to standard when g...

Works fine for me so far with the Hybrid.

If anyone has crashes, don't forget to try enabling the "Show blockers" option first. It still causes crashes on RusMap 2.45 if you have it disabled. I instead use the "No DeadEnds!" mod from Steam Workshop.

@FunTrucker_18 Did you report it to grimes? I also had sporadic crashes when using New Summer with the grass addon enabled, even on base map territory. No issues after removing the addon, though I haven't been on RusMap territory yet.