range_sensor_layer can't transform from map to /us1 [closed]

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Hi all,

I am using Ultrasound sensors and Hokuyo laser for navigation. I am using range_sensor_layer for ultrasound sensors. The problem is when I publish the sensor_msgs/Range message and use the range_sensor_layer, I get the following error:

[ERROR] [1431956010.233195664]: Range sensor layer can't transform from map to /us1 at 1431956010.107522

I am using static_transform_publisher for the transformation between /base_link and /us1 :

<node pkg="tf" type="static_transform_publisher" name="base_link_US1" args="0.28 0.12 0.53 1.57 0.0 0.0 /base_link /us1 100" />

I am not able to see why am I getting this error as the tf tree is properly set up and there is a transformation from map to /us1:

global_costmap_params.yaml

plugins:
  - {name: static_layer, type: "costmap_2d::StaticLayer"}
  - {name: obstacle_layer, type: "costmap_2d::ObstacleLayer"}
  - {name: sonar_layer,   type: "range_sensor_layer::RangeSensorLayer"}
  - {name: inflation_layer, type: "costmap_2d::InflationLayer"}

  #Configuration for the sensors that the costmap will use to update a map
  obstacle_layer:
    observation_sources: laser_scan_sensor
    laser_scan_sensor: {data_type: LaserScan, sensor_frame: /laser, topic: /scan, expected_update_rate: 0.4,
      observation_persistence: 0.0, marking: true, clearing: true, max_obstacle_height: 2.0, min_obstacle_height: 0.0, inf_is_valid: true}

  sonar_layer:
    topics: ['/US1']
    no_readings_timeout: 1.0
    clear_threshold: 0.2
    mark_threshold: 0.8
    clear_on_max_reading: true

local_costmap_params.yaml

plugins:
  - {name: obstacle_layer, type: "costmap_2d::ObstacleLayer"}
  - {name: sonar_layer,   type: "range_sensor_layer::RangeSensorLayer"}
  - {name: inflation_layer, type: "costmap_2d::InflationLayer"}

  #Configuration for the sensors that the costmap will use to update a map
  obstacle_layer:
    observation_sources: laser_scan_sensor
    laser_scan_sensor: {data_type: LaserScan, sensor_frame: /laser, topic: /scan, expected_update_rate: 0.4,
      observation_persistence: 0.0, marking: true, clearing: true, max_obstacle_height: 2.0, min_obstacle_height: 0.0, inf_is_valid: true}

  sonar_layer:
    topics: ['/US1']
    no_readings_timeout: 1.0
    clear_threshold: 0.2
    mark_threshold: 0.8
    clear_on_max_reading: true

Does anyone have any idea what is going wrong here? Please let me know if you need more information from me. Any help will be appreciated.

Thanks a lot.
Naman Kumar