No world? what's going on???

I logged into sl about 3 hours ago, built something's, talked to some people then I realise I can't move so I try to relog but then when I get logged in there is nothing around me my balance is <no digits>L$ I can't type, teleport, map, search, tp home nothing what's caused this problem and how can I fix it?

PS: I also have relogged about 15 times!
NO LUCK AT ALL