That worked! I removed stack.xml from ros/ua-ros-pkg/ua_experimental/audio and it began compiling without any issue. Thanks for your help, Ken. - Daniel -- View this message in context: http://ros-users.122217.n3.nabble.com/ros-compilation-error-missing-ros-experimental-dependency-tp1407395p1408751.html Sent from the ROS-Users mailing list archive at Nabble.com.