problem - pls HELP!

wo..im runing my page www.iviART.net for alonger time...

several problems appeared suddenly!

1) comments disappeared
2) not all photos in album are being showed!
3) some picture i had set invisible - only like a thumbnail pic..and this was just cancelled and the pic is visible.

4) the shorting settings were cancelled too.
5) directories are not scaned correctly?

PLEASE HELP...the page is mess now :(