ROS Resources: Documentation | Support | Discussion Forum | Index | Service Status | ros @ Robotics Stack Exchange |
1 | initial version |
Without more information, my first guess is that this is related to the fact that Ubuntu recently stopped supporting Ubuntu 13.04 and move the repository elsewhere.
See this question for more background: http://answers.ros.org/question/187016/raring-repositories-for-odroid-u3-ros-build/