Turtlebot2 + RplidarA2

Question

问题遇到的现象和发生背景

sulab@sulab-desktop:~/cartographer_ws$ roslaunch turbot_bringup minimal.launch
[minimal.launch] is neither a launch file in package [turbot_bringup] nor is [turbot_bringup] a launch file name
The traceback for the exception was written to the log file

问题相关代码，请勿粘贴截图

运行结果及报错内容

我的解答思路和尝试过的方法

sulab@sulab-desktop:/cartographer_ws$ source install_isolated/setup.bash
sulab@sulab-desktop:/cartographer_ws$ roslaunch turbot_bringup minimal.launch
[minimal.launch] is neither a launch file in package [turbot_bringup] nor is [turbot_bringup] a launch file name
The traceback for the exception was written to the log file

我想要达到的结果

程序运行不了