Same ROS Noetic in Windows and Ubuntu but different md5

edit

Hi! I've been using ROS on Ubuntu for years and it works great. Recently I have to use ROS in Windows so I followed this tutorial http://wiki.ros.org/Installation/Windows. It works fine and they can communicate between two computers (export ROS_MASTER_URI..)

However, when I tried to use Moveit, it gives me the following error:

 Client [/move_group] wants topic /move_group/goal to have datatype/md5sum [moveit_msgs/MoveGroupActionGoal/152e336e337dce7cbe639f1bd9c65def], but our version has [moveit_msgs/MoveGroupActionGoal/6514728724a6f4ce3f2f5a26db255bc9]. Dropping connection.

Clearly something not compatible here. Then I find that, in windows:

F:\ws>rosmsg md5 moveit_msgs/MoveGroupActionGoal
6514728724a6f4ce3f2f5a26db255bc9

However, in Ubuntu:

rosmsg md5 moveit_msgs/MoveGroupActionGoal
152e336e337dce7cbe639f1bd9c65def

I am not sure what happened.. They are both Noetic version but how can the msg md5 not the same...