ошибка при обработке engine.start:

Traceback (most recent call last):
  File "./lib/engine/__init__.py", line 104, in run_project
    response = await project_data['start']()
  File "./projects/project_5759/start.py", line 148, in start
    for serv in s.vars['service_l1']:
KeyError: 'service_l1'