PlanetManager pmgr = PlanetFactory.getPlanet().getPlanetManager();
try {
PlanetGroup group = pmgr.getGroupById(getGroupid());
this.planet = group.getPlanet();
this.planet.getGroups().remove(group);
pmgr.savePlanet(this.planet);
pmgr.deleteGroup(group);
PlanetFactory.getPlanet().flush();
setSuccess("PlanetForm.message.groupDeleteSucceeded", group.getHandle());
return INPUT;