I'm also experiencing this bug, with Win 10 and TB78.6.0 (32 bits). Many occurences of :
BEGIN:VALARM ACTION:DISPLAY TRIGGER;VALUE=DURATION:-P2D DESCRIPTION:Description par défaut Mozilla X-LIC-ERROR;X-LIC-ERRORTYPE=PARAMETER-VALUE-PARSE-ERROR:Got a VALUE parame ter with an illegal type for property: VALUE=DURATION END:VALARM Some events disappear when I close, then reopen TB -- 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