I have eliminated the startup error messages by using synaptic package manager to install the following packages and their dependencies. However, the "Action" and "Tools" menus still are not working.
--------------------------- INSTALLED AKONADI PACKAGES: --------------------------- akonadi-backend-mysql akonadi-import-wizard akonadi-server default-mysql-client-core kdepim-runtime libakonadi-kde4 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1806825 Title: Akonadi information management service is not operational To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kaddressbook/+bug/1806825/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs