Firefox 68.5.0 Lightning 68.1.2 I just got the same error.
Because of another issue with lightning, I decided to export all calender events. When I opened the ICS file, I noticed that almost all event entries have the above mentioned error. -- 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
