events.ics some errors

events.ics

@@ -5,15 +5,15 @@ BEGIN:VCALENDAR
 VERSION:2.0
 PRODID:http://www.example.com/
 METHOD:PUBLISH
-{% for event in site.events limit:10 %}
-BEGIN:VEVENT
-UID:{{ event.eventdate | date: "%Y%m%d" }}@chaotikum.com
+{% for event in site.events limit:10 %}BEGIN:VEVENT
+UID:{{ event.uid }}
 ORGANIZER;CN="Chaotikum e.V.":MAILTO:{{event.contact}}
 LOCATION:Chaotikum
-SUMMARY:{{ post.short }}
+SUMMARY:{{ event.short }}
 CLASS:PUBLIC
 DTSTART:{{ event.eventdate | date: "%Y%m%d" }}T{{ event.eventdate | date: "%H%M%S" }}Z
 DTEND:{{ event.eventdate | date: "%Y%m%d" }}T{{ event.eventdate | date: "%H%M%S" }}Z
 DTSTAMP:{{ event.eventdate | date: "%Y%m%d" }}T{{ event.eventdate | date: "%H%M%S" }}Z
-END:VEVENT{% endfor %}
+END:VEVENT
+{% endfor %}
 END:VCALENDAR