I'm trying to withdraw some zeitcoins, but I have an error
error: {"code":-4,"message":"Insufficient funds"}

Why could it heppen?
root@dgb:~# zeitcoind getbalance ""
27389863.01536600



root@dgb:~# zeitcoind getinfo
{
    "version" : "v1.0.0.0",
    "protocolversion" : 60006,
    "walletversion" : 60000,
    "balance" : 11143464.20208700,
    "newmint" : 0.00000000,
    "stake" : 0.00000000,
    "blocks" : 182345,
    "moneysupply" : 27250533286.08889771,
    "connections" : 18,
    "proxy" : "",
    "ip" : "95.85.50.188",
    "difficulty" : 0.12646442,
    "testnet" : false,
    "keypoololdest" : 1393862161,
    "keypoolsize" : 102,
    "paytxfee" : 0.10000000,
    "errors" : ""
}