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Sometimes it takes a few milliseconds for a transform to become available. Maybe a listener.waitForTransform("/local_laser", "/world", laserscan.header.stamp, ros::Duration(3.0)); would help. Please have a look at the tf tutorial: "3. Wait for transforms".
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Sometimes it takes a few milliseconds for a transform to become available. Maybe a listener.waitForTransform("/local_laser", "/world", laserscan.header.stamp, ros::Duration(3.0)); would help. Please have a look at the tf tutorial: "3. Wait for transforms".
If the error still persists, could you please post the code where you do the transform?
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