【新手】roslaunch时，报错：Cannot locate node of type [rosout] in package [rosout]

[191842331]

具体信息：
ERROR: cannot launch node of type [rosout/rosout]: Cannot locate node of type [rosout] in package [rosout]. Make sure file exists in package path and permission is set to executable (chmod +x)
RLException: failed to start core service [/rosout]
The traceback for the exception was written to the log file

谢谢回复！

[小鱼]

@191842331 重装下吧