I had to get rid of all four Rising City mods, Unique NPCs / Monsters, and (I don't see it there but, sparingly use Awesome Follower Tweaks to make new followers).
fos (save files in C:\Users*user\Documents\My Games\Fallout4\Saves)Ģ) solution, which worked for me (chronologically)
Game was modded (> 80 mods), but with fully functional saving system.Keep all players settings in save untouched.Happend to me as well - solution which worked for me is below.