Hi Tien,

Please ask troubleshooting questions on answers.ros.org

Thanks,
Tully
On Feb 28, 2011 7:51 AM, "Tien Thanh" <nttputus@gmail.com> wrote:
> Hi all,
>
> I try to run vslam_tutorial.bag data and got this error when execute
rosbag
> play --clock vslam_tutorial.bag
>
> [ERROR] [1298907582.850551259]: Client [/wide_stereo/stereo_vslam_node]
> wants topic /wide_stereo/right/camera_info to have datatype/md5sum
> [sensor_msgs/CameraInfo/c9a58c1b0b154e0e6da7578cb991d214], but our version
> has [sensor_msgs/CameraInfo/1b5cf7f984c229b6141ceb3a955aa18f]. Dropping
> connection.
> [ERROR] [1298907583.031692314]: Client [/wide_stereo/stereo_vslam_node]
> wants topic /wide_stereo/left/camera_info to have datatype/md5sum
> [sensor_msgs/CameraInfo/c9a58c1b0b154e0e6da7578cb991d214], but our version
> has [sensor_msgs/CameraInfo/1b5cf7f984c229b6141ceb3a955aa18f]. Dropping
> connection.
>
> Anyone knows how to solve this issue?
>
> Bests,
> --
> Tien Thanh Nguyen