CTD while saving or loading

[S4L]

Hi,

 

I just came back from work ready for some adventuring but, ...i cant save or load anymore.

I can click on continue on the titlescreen just fine but loading any save causes my game to CTD.

Same goes for saving, quick and normal saving, both CTD.

 

It never happend before and i have changed nothing.

What could cause this problem and is there a way to fix it?

 

Thanks for your help