android - com.parse.ParseRequest$ParseRequestException: missing user password -

i getting error while trying save data parse.

com.parse.parserequest$parserequestexception: missing user password

this application class

public class parseapplication extends application {      @override     public void oncreate() {         super.oncreate();          // register subclass         parseobject.registersubclass(one.class);         parseobject.registersubclass(two.class);          parse.enablelocaldatastore(this);          parse.initialize(this, "app_key", "client_key");          parseuser.enableautomaticuser();          parseacl defaultacl = new parseacl();         defaultacl.setpublicreadaccess(true);         parseacl.setdefaultacl(defaultacl, true);          parsepush.subscribeinbackground("testing", new savecallback() {             @override             public void done(parseexception e) {                 if(e==null)                     system.out.println("subscribed successfully");                 else                 e.printstacktrace();                     system.out.println("unable subscribe");             }         });          //to save current device on parse installation         parseinstallation.getcurrentinstallation().saveinbackground();     } }