RGBD Slam Error - Missing resource TF

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Hello,

Im using 12.04 - Fuerte

When I run the code below i get the following error. Any ideas on how to resolve this? I would generally try to install the package but it says it cannot find tf package.

patrick@patrick-33:~/fuerte_workspace$ rosdep install rgbdslam_freiburg
ERROR: the following packages/stacks could not have their rosdep keys resolved to system dependencies:
rgbdslam: Missing resource tf
ROS path [0]=/opt/ros/fuerte/share/ros
ROS path [1]=/home/user/ros/ros-pkg
ROS path [2]=/home/patrick/fuerte_workspace/