It looks like the URI behaviour was changing in Mono 3.10.0. http://www.mono-project.com/docs/about-mono/releases/3.10.0/
Can you please upgrade and retry. Thanks. ** Changed in: mono (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mono in Ubuntu. https://bugs.launchpad.net/bugs/1072099 Title: cannot set NULL uri Status in mono package in Ubuntu: Incomplete Bug description: ** (mono:29692): WARNING **: cannot set NULL uri Normally, this example should run the radio with the 2.10.8 version version : 3.0.1 Description: Ubuntu Raring Ringtail (development branch) Release: 13.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mono/+bug/1072099/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp