It may be because you don't have a deb-src entry for "multisystem". Try commenting out that line in your sources.list. If that doesn't work then keep testing by removing extras.ubuntu.com and archive.canonical.com to see if that helps.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1502704 Title: Cannot get source packages without root privileges Status in apt package in Ubuntu: New Bug description: When I try apt-get source coreutils as standard user I get Error: You must put some 'source' URIs in your sources.list With sudo apt-get source works as expected. Remove please the need of root privileges to download source packages. I have deb-src lines in /etc/apt/sources.list. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: apt 1.0.1ubuntu2.10 ProcVersionSignature: Ubuntu 3.13.0-63.103-lowlatency 3.13.11-ckt25 Uname: Linux 3.13.0-63-lowlatency i686 ApportVersion: 2.14.1-0ubuntu3.15 Architecture: i386 Date: Sun Oct 4 22:27:55 2015 SourcePackage: apt UpgradeStatus: Upgraded to trusty on 2014-04-04 (548 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1502704/+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
