Sorry to bump a closed bug report, but what is the proposed solution? On 17.10, I've enabled the "proposed" through Software & Updates, but "ubuntu-themes" is not a valid package name. Since "ubuntu-artwork" is listed as a binary build from this package, I've updated that to no avail.
Preparing to unpack .../ubuntu-artwork_1%3a16.10+17.10.20171115-0ubuntu1_all.deb ... Unpacking ubuntu-artwork (1:16.10+17.10.20171115-0ubuntu1) over (1:16.10+17.10.20171115-0ubuntu1) ... Setting up ubuntu-artwork (1:16.10+17.10.20171115-0ubuntu1) ... Processing triggers for hicolor-icon-theme (0.17-1) ... But the original error ** "murrine-scrollbar", expected valid string constant ** still exists. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1723422 Title: /usr/share/themes/Ambiance/gtk-2.0/apps/mate-panel.rc:30: error: invalid string constant "murrine-scrollbar", expected valid string constant To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-themes/+bug/1723422/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs