I am seeing this now with a CalDav calendar and Thunderbird 78.3.1 Relevant part from error console
``` Lightning: CalDAV: Unexpected status modifying item to RH: 403 BEGIN:VCALENDAR PRODID:-//Mozilla.org/NONSGML Mozilla Calendar V1.1//EN VERSION:2.0 BEGIN:VTIMEZONE TZID:Europe/Warsaw BEGIN:DAYLIGHT TZOFFSETFROM:+0100 TZOFFSETTO:+0200 TZNAME:CEST DTSTART:19700329T020000 RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:+0200 TZOFFSETTO:+0100 TZNAME:CET DTSTART:19701025T030000 RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10 END:STANDARD END:VTIMEZONE BEGIN:VTIMEZONE TZID:Europe/London BEGIN:DAYLIGHT TZOFFSETFROM:+0000 TZOFFSETTO:+0100 TZNAME:BST DTSTART:19700329T010000 RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3 END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:+0100 TZOFFSETTO:+0000 TZNAME:GMT DTSTART:19701025T020000 RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10 END:STANDARD END:VTIMEZONE BEGIN:VEVENT CREATED:20200513T135102Z LAST-MODIFIED:20201008T092815Z DTSTAMP:20201008T092815Z ...... X-LIC-ERROR:No value for LOCATION property. Removing entire property: SEQUENCE:1 TRANSP:OPAQUE X-MOZ-GENERATION:1 BEGIN:VALARM ACTION:DISPLAY TRIGGER;VALUE=DURATION:-PT10M DESCRIPTION:This is an event reminder X-LIC-ERROR;X-LIC-ERRORTYPE=PARAMETER-VALUE-PARSE-ERROR:Got a VALUE parameter with an illegal type for property: VALUE=DURATION END:VALARM END:VEVENT BEGIN:VEVENT CREATED:20200513T135102Z LAST-MODIFIED:20201008T083606Z DTSTAMP:20201008T083606Z UID:fsqsbahrj0k6kbs24dki1bd...@google.com SUMMARY:MW CPaaS Sync STATUS:CONFIRMED RECURRENCE-ID;TZID=Europe/Warsaw:20201019T110000 DTSTART;TZID=Europe/London:20201019T100000 DTEND;TZID=Europe/London:20201019T103000 END:VEVENT ``` -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846423 Title: Lightning: Cannot dismiss reminders. Got a VALUE parameter with an illegal type for property: VALUE=DURATION To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/1846423/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs