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_odom_frame:=/tf
doesn't quite look right. Your odometry frame is usually something like odom
in the typical way of defining things. /tf
is the topic for which transformation information is transported describing over frames, but isn't typically a frame by itself, though you could in theory make a frame called /tf
.
Try changing your odom_frame
to your actual odom frame. TF will take care of the /tf
topic for you.