Hi! You 've probably changed the message and forgot to clean and remake the
nodes. You should re make (rosmake --pre-clean) all packages using and
containing this message.

Miltos


Miltiadis Allamanis
Electrical and Computer Engineering Undergraduate Student, Aristotle
University of Thessaloniki, Greece



On Tue, Jun 14, 2011 at 11:27 AM, Ravi Kumar <ravikumar.iitp@gmail.com>wrote:

> Hi all,
>
> I am trying to get velodyne rawscan from a input bag which publishes
> velodyne_common/RawScan (topic= velodyne/rawscan) but I get this error,
>
>  Waiting 0.2 seconds after advertising topics...
>
> [ERROR] [1308039369.255405494]: Client [/my_3D_to_2D] wants topic
> /velodyne/rawscan to have datatype/md5sum
> [velodyne_common/RawScan/a36da642742ddd79774fbc755f9c5cdd], but our version
> has [velodyne_common/RawScan/d34cf5a37a401b668e53c57f6409eb76]. Dropping
> connection.
>
>
> Please help me.
>
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