Admin page "Fiches horaires" not working properly

How to reproduce

1. Go to admin > Fiches horaires > Fiches horaires
2. Open or create a new content
3. Click on "Insérer" button

And error message appears:

admin_page error : Admin page parameters error: No such timetable

http://localhost:8080/admin?SERVICE=page&called_by_smart_url=1&client_address=127%2e0%2e0%2e1&p=17732932122705920&post_data=&rhtf=0&rhto=&rhtr=1&rhts=200&roid=25332752198926337&rub=TimetableAdmin&tab=co