Thanks for your report. This error occurs when there are too many entries in your sources.list files. This is not a bug and I'm converting it to a question.
-- unresolvable problem occurred while initializing the package information https://bugs.launchpad.net/bugs/592633 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs