touchpad indicator crashes when setting automatic start 18.04

[Carlos rodriguez]

Ubuntu 18.04 with unity.
Touchpad indicator crashes when setting automatic start. Similar to bug 1334874.
Terminal output:
<gettext.GNUTranslations object at 0x7f0fe08b6cf8>
No LSB modules are available.
#####################################################
Distributor: Ubuntu
Description: Ubuntu 18.04 LTS
Release: 18.04
Codename: bionic
Architecture: x86_64
#####################################################

Touchpad-Indicator version: 2.1.1-0extras18.04.0
283 0
=== 2 ===
=== 21 ===
=== 212 ===
==== start set_touch_enabled =====
set_touch_enabled: True
are_all_touchpad_enabled: True
^CTerminado
carlos@porti:~$ touchpad-indicator
<gettext.GNUTranslations object at 0x7f30f7b71c50>
No LSB modules are available.
#####################################################
Distributor: Ubuntu
Description: Ubuntu 18.04 LTS
Release: 18.04
Codename: bionic
Architecture: x86_64
#####################################################

Touchpad-Indicator version: 2.1.1-0extras18.04.0
283 1
=== 2 ===
=== 21 ===
=== 212 ===
==== start set_touch_enabled =====
set_touch_enabled: True
are_all_touchpad_enabled: True
/home/carlos/.config/autostart/touchpad-indicator-autostart.desktop
==== False
unity
Gtk-Message: 20:06:29.147: GtkDialog mapped without a transient parent. This is discouraged.
Traceback (most recent call last):
  File "/usr/share/touchpad-indicator/touchpadindicator.py", line 614, in on_preferences_item
    preferences_dialog.close_ok()
  File "/usr/share/touchpad-indicator/preferences_dialog.py", line 607, in close_ok
    self.save_preferences()
  File "/usr/share/touchpad-indicator/preferences_dialog.py", line 811, in save_preferences
    set_autostart(self.checkbutton1.get_active())
  File "/usr/share/touchpad-indicator/preferences_dialog.py", line 62, in set_autostart
    os.symlink(comun.FILE_AUTO_START_SRC, comun.FILE_AUTO_START)
FileNotFoundError: [Errno 2] No existe el archivo o el directorio: '/usr/share/touchpad-indicator/touchpad-indicator-autostart.desktop' -> '/home/carlos/.config/autostart/touchpad-indicator-autostart.desktop'

Buen dia, y gracias!!