Solved: Appdaemon/OccuSim

EDIT: i miss double quotes, now it works

Hi!
I am struggling with the config for occusim.
Following the instruction on https://github.com/acockburn/occusim

My config:

Occupancy Simulator:
  module: occusim
  class: OccuSim
  log: 1
  notify: 1
  enable: input_boolean.licht_keiner_da,off
  test: 1
  dump_times: 1
  #reset_time: 02:00:00
  
  step_evening_name: Evening
  step_evening_start: 09:00:00

  step_night_name: Night
  step_night_start: 11:00:00
  
  random_office_name: Evening Office
  random_office_start: Evening
  random_office_end: Night
  random_office_minduration: 00:03:00
  random_office_maxduration: 00:30:00
  random_office_number: '3'
  random_office_on_1: scene.office_on
  random_office_off_1: scene.office_off

Startup failure:

2019-08-28 10:18:41.925890 INFO AppDaemon: Initializing app Occupancy Simulator using class OccuSim from module occusim
2019-08-28 10:18:41.933540 WARNING AppDaemon: ------------------------------------------------------------
2019-08-28 10:18:41.934189 WARNING AppDaemon: Unexpected error running initialize() for Occupancy Simulator
2019-08-28 10:18:41.934900 WARNING AppDaemon: ------------------------------------------------------------
2019-08-28 10:18:41.938489 WARNING AppDaemon: Traceback (most recent call last):
  File "/usr/lib/python3.7/site-packages/appdaemon/appdaemon.py", line 1581, in init_object
    init()
  File "/config/appdaemon/apps/occusim.py", line 32, in initialize
    self.create_events({})
  File "/config/appdaemon/apps/occusim.py", line 65, in create_events
    start = self.parse_time(start_p)
  File "/usr/lib/python3.7/site-packages/appdaemon/appapi.py", line 291, in parse_time
    return self.AD.parse_time(time_str, name)
  File "/usr/lib/python3.7/site-packages/appdaemon/appdaemon.py", line 1072, in parse_time
    parts = re.search('^(\d+):(\d+):(\d+)', time_str)
  File "/usr/lib/python3.7/re.py", line 183, in search
    return _compile(pattern, flags).search(string)
TypeError: expected string or bytes-like object

2019-08-28 10:18:41.939802 WARNING AppDaemon: ------------------------------------------------------------

Didn’t see where the problem is, my config is the same as the exampl.
Can anyone open my eyes for the mistake?

Regards and Thanks!
Holger