This bug was fixed in the package ubuntu-themes - 16.10+18.04.20171114-0ubuntu1
--------------- ubuntu-themes (16.10+18.04.20171114-0ubuntu1) bionic; urgency=medium [ Andrea Azzarone ] * Fix osd progress bar look. (LP: #1724808) [ Carlo Lobrano ] * Ambiance, Radiance: fix horizontal linked suggested-action and destructive-action (LP: #1721102) * Ambiance, Radiance: Fixed border in switcher widget (LP: #1719355) [ Marco Trevisan (Treviño) ] * Ambiance, Radiance (gtk2): remove undefined "murrine-scrollbar" from mate panel (LP: #1723422) * Ambiance, Radiance: add theming for headerbar .destructive-action button's (LP: #1726318) * Ambiance, Radiance: Use inverted gradient for button actions in maximized titlebars (LP: #1726322) -- Marco Trevisan (Treviño) <m...@3v1n0.net> Tue, 14 Nov 2017 17:50:15 +0000 ** Changed in: ubuntu-themes (Ubuntu) Status: In Progress => Fix Released -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ubuntu-themes in 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 Status in ubuntu-themes package in Ubuntu: Fix Released Bug description: [Impact] Get that error now with each random package upgrade: /usr/share/themes/Ambiance/gtk-2.0/apps/mate-panel.rc:30: error: invalid string constant "murrine-scrollbar", expected valid string constant Looks like related to that change: * gtk2: Ambiance, Radiance: inherit style fixes from MATE themes (LP: #961679) -- Marco Trevisan (Treviño) <m...@3v1n0.net> Thu, 12 Oct 2017 05:19:32 +0000 That installation is a default Ubuntu , no Mate installed, and Ambiance is set for 'applications' into tweaks [Test case] 1. Run a gtk2 application (with ambiance/radiance set as theme) in terminal 2. App has to run without any error [Possible regression] Different scrollbars in gtk2 apps. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: light-themes 16.10+17.10.20171012.1-0ubuntu1 ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4 Uname: Linux 4.13.0-16-generic x86_64 ApportVersion: 2.20.7-0ubuntu3 Architecture: amd64 CurrentDesktop: GNOME Date: Fri Oct 13 14:52:43 2017 EcryptfsInUse: Yes PackageArchitecture: all SourcePackage: ubuntu-themes UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-themes/+bug/1723422/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp