I recorded a rosbag and tried to visualize it in Rviz. I get the following message `MessageFilter [target=left_hand ]: Discarding message from [unknown_publisher] due to empty frame_id. This message will only print once.` On doing a rostopic echo, I can see that the frame_id is empty. I ran `rosrun tf view_frames` to generate the pdf.
How do I rewrite the header frame id?
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