Your ICS file is unable to update.BEGIN:VCALENDAR
PRODID:ICS Calendar for Wordpress (fullimpact.net)
BEGIN:VEVENT
DTSTART;VALUE=DATE:20100315
DTEND;VALUE=DATE:20100317
DTSTAMP:20260408T002728Z
UID:puehg4q0t19b86u97se8ufga9k@google.com
CREATED:20100315T173456Z
DESCRIPTION:http://www.socialmedia-forum.com/
LAST-MODIFIED:20221201T021640Z
LOCATION:Olympia\, London
SEQUENCE:0
STATUS:CONFIRMED
SUMMARY:Social Media World Forum Europe
TRANSP:TRANSPARENT
CATEGORIES:http://schemas.google.com/g/2005#event
END:VEVENT
END:VCALENDAR