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JSON-RPC Errors
If there is some problem with a JSON-RPC request, such as in this request:
{
  "jsonrpc": "2.0",
  "method": "add",
  "params": [
    1,
    2
  ],
  "id": 1
}
you will get a JSON-RPC response with an error instead of a result, as:
{
  "id": 1,
  "error": {
    "message": "Invalid params",
    "code": -32602
  },
  "jsonrpc": "2.0"
}
Last modified date: 12/20/2023