rbv_api.sendJSONRequest-ERROR

Hi all

I need help.

This is a trigger to send SMS

//var url="usr@dominio.com:xxxxx@www.elibom.com/.../messages";
var url="www.elibom.com/.../messages";

var params={"To":"573105582821","text":"Enviado desde IMPEL"};
rbv_api.println(typeof(params));
var method='POST';
var contentType='application/json; charset=UTF-8';
var username='usr@dominio.com';
var password='xxxx';
var headers=null;

var request=rbv_api.sendJSONRequest(url, params, method, contentType, username, password,headers);
rbv_api.println(request);

Bedugging formula, I recive next error:

Error  Could not generate DH keypair (line #14) in formula:

Can you help me?

Best regards