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<p>I launch "gazebo ardrone-trees-simple.world" and i have a issue:<br>
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<div>Ice booststrap done.<br>
[Wrn] [msgs.cc:1807] Conversion of sensor type[imu] not suppported.<br>
[Wrn] [msgs.cc:1807] Conversion of sensor type[imu] not suppported.<br>
[Err] [Scene.cc:2941] Light [sun] not found. Use topic ~/factory/light to spawn a new light.<br>
[Err] [Scene.cc:2941] Light [sun] not found. Use topic ~/factory/light to spawn a new light.<br>
[Err] [Scene.cc:2941] Light [sun] not found. Use topic ~/factory/light to spawn a new light.<br>
[Err] [Scene.cc:2941] Light [sun] not found. Use topic ~/factory/light to spawn a new light.<br>
[Err] [Scene.cc:2941] Light [sun] not found. Use topic ~/factory/light to spawn a new light.<br>
[Err] [Scene.cc:2941] Light [sun] not found. Use topic ~/factory/light to spawn a new light.<br>
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