# Pastebin w5pCU0g4
Error:
/Users/kevin/Code/Pony/json-rpc-pony/jsonrpc/error.pony:26:23: argument not a subtype of parameter
      ob.data("data") = data 
                      ^
    Info:
    /usr/local/Cellar/ponyc/0.16.1/packages/json/json_type.pony:3:52: JsonArray ref is not a subtype of F64 val
    type JsonType is (F64 | I64 | Bool | None | String | JsonArray | JsonObject)
                                                       ^
    /usr/local/Cellar/ponyc/0.16.1/packages/json/json_type.pony:3:52: JsonArray ref is not a subtype of I64 val
    type JsonType is (F64 | I64 | Bool | None | String | JsonArray | JsonObject)
                                                       ^
    /usr/local/Cellar/ponyc/0.16.1/packages/json/json_type.pony:3:52: JsonArray ref is not a subtype of Bool val
    type JsonType is (F64 | I64 | Bool | None | String | JsonArray | JsonObject)
                                                       ^
    /usr/local/Cellar/ponyc/0.16.1/packages/json/json_type.pony:3:52: JsonArray ref is not a subtype of None val
    type JsonType is (F64 | I64 | Bool | None | String | JsonArray | JsonObject)
                                                       ^
    /usr/local/Cellar/ponyc/0.16.1/packages/json/json_type.pony:3:52: JsonArray ref is not a subtype of String val
    type JsonType is (F64 | I64 | Bool | None | String | JsonArray | JsonObject)
                                                       ^
    /usr/local/Cellar/ponyc/0.16.1/packages/json/json_type.pony:3:52: JsonArray box is not a subtype of JsonArray ref: box is not a subcap of ref
    type JsonType is (F64 | I64 | Bool | None | String | JsonArray | JsonObject)
                                                       ^
    /usr/local/Cellar/ponyc/0.16.1/packages/json/json_type.pony:3:52: JsonArray ref is not a subtype of JsonObject ref
    type JsonType is (F64 | I64 | Bool | None | String | JsonArray | JsonObject)
                                                       ^
    /Users/kevin/Code/Pony/json-rpc-pony/jsonrpc/error.pony:26:23: this->JsonArray ref is not a subtype of any element of (F64 val | I64 val | Bool val | None val | String val | JsonArray ref | JsonObject ref)
          ob.data("data") = data 
                          ^
    /Users/kevin/Code/Pony/json-rpc-pony/jsonrpc/error.pony:26:23: not every element of (F64 val | I64 val | Bool val | None val | String val | this->JsonArray ref | this->JsonObject ref) is a subtype of (F64 val | I64 val | Bool val | None val | String val | JsonArray ref | JsonObject ref)
          ob.data("data") = data