pugna111

error about roslaunch semantic_mapping.launch

3

after roslaunch semantic_mapping.launch,the error imformation show in the terminal: `[ERROR] [1598838171.042500]: bad callback: Traceback (most recent call last): File "/opt/ros/kinetic/lib/python2.7/dist-packages/rospy/topics.py", line 750, in _invoke_callback cb(msg) File "/opt/ros/kinetic/lib/python2.7/dist-packages/message_filters/__init__.py", line 75, in...