I can't find solution for this problem anywhere.
I installed new version 0.48.
Then I loaded save file from versino 0.47.
I played some time and then saved changes in same file. In my case named mijav.omwsave.
Then cloced versino 0.48 and few hours later start Openmw v 0.47.
But this save file mijav.omwsave no more on the list.
Maybe latest version 0.48 uses a little bit diferent file format for saving?
omw 0.48 save file format
Re: omw 0.48 save file format
Save games aren't forward-compatible. 0.48 can/should be able to load saves from earlier versions like 0.47, but 0.47 can't load saves from later versions like 0.48.