I am using indigo. my lidar is RPlidar. ı can use gmapping with this lidar. ı have a tf for baselink between laser. I need to use laserscanmatcher . laserscan_matcher is working succesfully with it's demo launch file and it use demo laser bag file (/scan topic).

But laserscanmatcher throw this error. ı have no idea.

Strange FOV: -6.283185 rad = -360.000010 deg 
[ WARN] [1435760612.875422153]: Error in scan matching
Strange FOV: -6.283185 rad = -360.000010 deg 
[ WARN] [1435760613.004670520]: Error in scan matching
Strange FOV: -6.283185 rad = -360.000010 deg 
[ WARN] [1435760613.133715583]: Error in scan matching
Strange FOV: -6.283185 rad = -360.000010 deg 
[ WARN] [1435760613.340698832]: Error in scan matching
Strange FOV: -6.283185 rad = -360.000010 deg 
[ WARN] [1435760613.469378974]: Error in scan matching

this is mine rqt_graph result: http://i.imgur.com/zir8LDv.png