Errore

• Simplepie detected an error for the calendar artlife.calendar%40gmail.com. Please run the compatibility utility.
  The following Simplepie error occurred:
  A feed could not be found at http://www.google.com/calendar/feeds/artlife.calendar@gmail.com/public/full?start-min=2021-10-23T00:00:00&start-max=2021-10-24T00:00:00&sortorder=ascending&orderby=starttime&singleevents=true&hl=it-IT&ctz=Europe/Rome&max-results=100
• Simplepie detected an error for the calendar it.italian%23holiday%40group.v.calendar.google.com. Please run the compatibility utility.
  The following Simplepie error occurred:
  A feed could not be found at http://www.google.com/calendar/feeds/it.italian%23holiday@group.v.calendar.google.com/public/full?start-min=2021-10-23T00:00:00&start-max=2021-10-24T00:00:00&sortorder=ascending&orderby=starttime&singleevents=true&hl=it-IT&ctz=Europe/Rome&max-results=100