On Sun, 05 Nov 2017 11:19:08 +0100 Robert Pluim wrote: > Vegard Vesterheim writes: >> Looking at the backtrace it seems that the problem is related to parsing >> the date string: "20171208". > > timezone-parse-date assumes that the time-of-day is present in the > string to be parsed, which is not the case here. Looking at the code > icalendar should set the time to "00000" in that case. Would you have > a complete example VCAL file? Attached: