Asunto: [BUG] XML interface stopped working

I can login but when I ask for any page it returns the https://sokker.org/xmlinfo.php page instead of the actual xml

here to problems on all added support programs

HTTP Status 500 -
type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

java.lang.NullPointerException
com.formulamanager.sokker.acciones.asistente.Actualizar$1.execute(Actualizar.java:56)
com.formulamanager.sokker.auxiliares.Navegador.<init>(Navegador.java:46)
com.formulamanager.sokker.acciones.asistente.Actualizar$1.<init>(Actualizar.java:53)
com.formulamanager.sokker.acciones.asistente.Actualizar.execute(Actualizar.java:53)
com.formulamanager.sokker.auxiliares.SERVLET_ASISTENTE.doPost(SERVLET_ASISTENTE.java:129)
javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.28 logs.

That message is internal from Sokker Asistente. The origin is a failure when getting the vars.xml from Sokker. I tested to get it by hand and the same happened, with that file or any other I tried with