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2019-04-20 04:12:48 -0500 asked a question Topic [unknown type]

Topic [unknown type] when I use rosnode info /local_planner_node I find that topic I just subscribed to chatter[unknown

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2019-04-18 14:14:42 -0500 asked a question subscribing problem

subscribing problem when I use rosnode info /local_planner_node I find that topic[unknown] . and when I rosrun the node