import org.whispersystems.libsignal.util.guava.Optional;
import org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException;
import org.whispersystems.signalservice.api.messages.SendMessageResult;
+import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
import org.whispersystems.signalservice.api.util.InvalidNumberException;
import java.io.File;
m.setContactName(getSingleRecipientIdentifier(number, m.getUsername()), name);
} catch (NotMasterDeviceException e) {
throw new Error.Failure("This command doesn't work on linked devices.");
+ } catch (UnregisteredUserException e) {
+ throw new Error.Failure("Contact is not registered.");
}
}