I tried to create a notification for a user during certain time periods. I added the media and set "When active" to something like "1-1,00:00-22:00;2-2,02:00-22:00;3-3,07:00-22:00;4-4,02:00-22:00;5-5,07:00-22:00;6-6,02:00-22:00;7-7,". at least that's displayed now, but I am quite sure I added a time period for the last entry as well. I am unable to disable/delete this media. As soon as I try to do so and refresh, it's back.