Hi all,<br><br>I am trying to get velodyne rawscan from a input bag which publishes velodyne_common/RawScan (topic= velodyne/rawscan) but I get this error,<br><br> Waiting 0.2 seconds after advertising topics...<br><br>[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.<br>
<br><br>Please help me.<br>