BEGIN:VCALENDAR VERSION:2.0 PRODID:https://www.lfk.de/ BEGIN:VEVENT UID:678f4c6fd5c00 DTSTART:20250121T072743Z SEQUENCE:0 TRANSP:OPAQUE LOCATION:---\,--- --- SUMMARY:can_not_generate_ICS CLASS:PUBLIC DESCRIPTION:--- DTSTAMP:20250121T072743Z END:VEVENT END:VCALENDAR