I've got the same error, I was able to delete the cal by selecting it then discard the error message. To remove the calendar go on Edit menu then Delete Calendar.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/781254 Title: error message: "Error loading task list Cannot open calendar: Unexpected HTTP status code 4 returned"( CalDav ) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evolution/+bug/781254/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
