I'm facing this problem too... But I am unable to install the package, look:
--- $ sudo apt install evolution-data-server-online-accounts Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: mir-client-platform-mesa4 mir-graphics-drivers-desktop mir-platform-graphics-mesa-kms8 mir-platform-graphics-mesa-x8 mir-platform-input-evdev5 qtubuntu-desktop ubuntu-application-api3-desktop Use 'sudo apt autoremove' to remove them. The following packages will be REMOVED: address-book-service address-book-updater buteo-sync-plugins-contacts-google qtcontact5-galera qtdeclarative5-ubuntu-telephony0.1 unity8 unity8-desktop-session-mir The following NEW packages will be installed: evolution-data-server-online-accounts 0 upgraded, 1 newly installed, 7 to remove and 2 not upgraded. Need to get 33.6 kB of archives. After this operation, 9,486 kB disk space will be freed. Do you want to continue? [Y/n] ^C --- It tries to uninstall Unity8, which I'm experimenting / using now. So, what to do? Thiago -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to evolution in Ubuntu. https://bugs.launchpad.net/bugs/1557612 Title: evolution: e-data-server Error opening directory '/usr/lib/evolution- data-server/credential-modules' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evolution/+bug/1557612/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs