ROS rviz topic報錯Character [ ] at element [xx] is not valid in Graph Resource Name [xx ]

在配置rviz,修改topic項時遇到如下錯誤。 Error subscribing: Character [ ] at element [12] is not valid in Graph Resource Name [/livox/lidar ].Valid characters are a-z, A-Z, 0-9, / and_. 這個錯的大致意思就是:元素[x]處的字符[x]在資源名稱[/
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