Ethereum Blockchain app connector (Deploy smart contract) does not work

[zzq9624]

Please provide us with the following information:

This issue is for a: (mark with an x)

- [ ] bug report -> please search issues before submitting
- [ ] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

Following the post, I put a Ethereum Blockchain app connector (Deploy smart contract) immediately after a SQL Server Connector

This is the error information.
{
"status": 400,
"message": "Encountered RPC error when establishing communicating with the blockchain network -32000: method handler crashed\r\nclientRequestId: 34181963-9f72-4931-8821-124d2bc57258",
"error": {
"message": "Encountered RPC error when establishing communicating with the blockchain network -32000: method handler crashed"
},
"source": "blockchainethereum-sea.azconn-sea.p.azurewebsites.net"
}

Any log messages given by the failure

N/A

Expected/desired behavior

Contract can be created successfully

OS and Version?

Windows 7, 8 or 10. Linux (which distribution). macOS (Yosemite? El Capitan? Sierra?)

Versions

Mention any other details that might be useful

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