The server in the response can return the error information:
{"error_code":<error_code>,"error_message":<error_message>,"error_stack_trace":<error_stack_trace>}
Parameters:
error_code
error code
error_message
error_stack_trace
Response example:
{"error_code":5,"error_message":"Parameter 'params' is not filled","error_stack_trace":""}