While you mention it occured after a crash, it is a file conflict normally assosciated to installed mods for single/multi player.
I recommend first trying to verify your game files through Steam. If that doesn't help, check which mods you recently installed through either Nexusmods both also Steam workshop.
While you mention it occured after a crash, it is a file conflict normally assosciated to installed mods for single/multi player.
I recommend first trying to verify your game files through Steam. If that doesn't help, check which mods you recently installed through either Nexusmods both also Steam workshop.