json_rpc_error/2

Availability::- use_module(library(json_rpc_server)).(can be autoloaded)

Normally called from a method implementation to raise an application error.

`Code`	is an integer. The range -32768 to -32000 is reserved for JSON RPC server errors.
`Message`	is a short string decribing the error
`Data`	is optional JSON data that provides context for the error.

Errors: json_rpc_error(Dict), where Dict contains the JSON RPC defined fields code, message and optionally data.