Can this perhaps have to do with this bug in Fedora 30: https://bugzilla.redhat.com/show_bug.cgi?id=1706090 ?
See also bug 1853242. ** Bug watch added: Red Hat Bugzilla #1706090 https://bugzilla.redhat.com/show_bug.cgi?id=1706090 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849859 Title: error when connecting to smb server To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1849859/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs