使用moveit roslaunch报错

[谁知]

运行 roslaunch panda_moveit_config demo.launch 报错
文件如图所示

代码如下```

abc@abcmachine:~/robotic_arm$ roslaunch panda_moveit_config demo.launch
RLException: [demo.launch] is neither a launch file in package [panda_moveit_config] nor is [panda_moveit_config] a launch file name
The traceback for the exception was written to the log file

abc@abcmachine:~/robotic_arm$ roslaunch panda_moveit_config launch demo.launch
RLException: [launch] is neither a launch file in package [panda_moveit_config] nor is [panda_moveit_config] a launch file name
The traceback for the exception was written to the log file

[小鱼]

@谁知 在 使用moveit roslaunch报错 中说：

[demo.launch] is neither a launch file in package [panda_moveit_config] nor is [panda_moveit_config]

极大可能是没有source