> eth.getBalance( '11905bd0863ba579023f662d1935e39d0c671933', 10000)
Error: missing trie node 8d45c4eec1c4cd72d1cdb659affdf326ece76491cb998364ca944e757e5c52f8 (path )
    at web3.js:3143:20
    at web3.js:6347:15
    at web3.js:5081:36
    at :1:1


function is broken when i get balance at specified block