Please let me know. Can you please try to debug this issue using a new profile. example found https://wiki.ubuntu.com/MozillaTeam/Bugs
-- After lightning was added on to Thunderbird, would not allow a new calendar to be created. https://bugs.launchpad.net/bugs/207000 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs