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no tf tree for husky simulation in ROS kinect

Greetings, I am trying to simulate Husky from the source file available at official git pages. I am following instructions as mentioned in page http://clearpathrobotics.com/guides/husky/HuskyAMCL.html . I am able to launch Gazebo withe environment + husky, Rviz . I am getting error on launch of amcl_demo (error by move_base node) :

Timed out waiting for transfrom from base_link to map to become available before running costmap. Can transform returned after 0.1 timeout was 0.1

view_frames reports that there is no tf data, which is strange for me. Rviz reports non-existant /map frame, and obviously no transform exist between base_link and map. I am aware that current official release is for Indigo only for Husky robot. Any guidance on how I can repair this errror. I believe that there should have a tf tree but noting exists. any idea how this can be handled.

Rgds