BEGIN:VCALENDAR VERSION:2.0 PRODID:https://www.lfk.de/ BEGIN:VEVENT UID:6864c7b50585c DTSTART:20250702T054629Z SEQUENCE:0 TRANSP:OPAQUE LOCATION:---\,--- --- SUMMARY:can_not_generate_ICS CLASS:PUBLIC DESCRIPTION:--- DTSTAMP:20250702T054629Z END:VEVENT END:VCALENDAR