Issue on Rollup contract deploy

[Neoblock8]

Hi,
Trying to connect heznode with local geth node, But the rollup contract cannot deploy on localhost 8545.
The above for deploying contract: creation of Hermez errored: Returned error: {"jsonrpc":"2.0","error":"Internal JSON-RPC error.","id":1467132307016814}

How to deploy the contract?

System information

• Node version: v*.*.*
• OS: Linux/OSX: Linux