HI ALL I FINALLY RESOLVE THE PROBLEM.TO SOLVE THE PROBLEM YOU HAVE TO DELETE THE LAST GROUP THAT YOU ACCEPTED.
IN MY CASE I ACCEPT A GROUP FROM A DISCO PARTY AND THE GROUP HAVE INVALID CHARACTER.TO DELETE THE LAST GROUP YOU HAVE TO DO A ALT AND TALK TO THE CREATOR OF THE LAST GROUP THAT YOU ACCEPTED AND TELL HIM THAT EXPULSED YOUR FROM THE GROUP BECAUSE YOU HAVE PROBLEM TO LOGIN. THEN TRY TO LOGIN AFTER YOU AV ARE EXPULSED FROM THE LAST GROUP...
THIS IS THE SOLUTION OF LOGIN FAILED.UNABLE TO CONNECT TO SIMULATOR.