Save Game Location?

[magas]

Hello everyone. Sorry for my ENG. :)I have one problem with save file. In Jan version of this game save file was in FLT folder.In march update Save file are in Documents > Klei folder. I use this folder for back-up game. But now i have problem.I not wanted but i pressed button in game and i travel to another world. So i not wanted this and i replaced folder with my back-up folder. But now i see that i have to play everthing from beginning.. And this is realy sad thing.So i not understand way my save folder not working anymore? I make copy of this and place on my desktop.Thanks for any help or advice.