blocks" : 48,
"currentblocksize" : 1000,
"currentblocktx" : 0,
"difficulty" : 0.00306575,
"errors" : "WARNING: Checkpoint is too old. Wait for block chain to download, or notify developers of the issue.",
"generate" : false,
"genproclimit" : -1,
"hashespersec" : 0,
"networkghps" : 0.00000102,
"pooledtx" : 0,
"testnet" : false
}

what`s wrong?