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yes my friend ı update my gmapping launch but still ı get same error. You think , my launch is correct ? this is my gmapping launch file:

<launch> <node pkg="gmapping" type="slam_gmapping" name="slam_gmapping" output="screen"> <rosparam> odom_frame: odom map_frame: map base_frame: base_link map_update_interval: 0.5 maxUrange: 5.5 maxRange: 5.5 minimumScore: 50 sigma: 0.05 kernelSize: 1 lstep: 0.05 astep: 0.05 iterations: 5 lsigma: 0.075 ogain: 3.0 lskip: 0 linearUpdate: 0.2 angularUpdate: 0.25 temporalUpdate: 5.0 resampleThreshold: 0.5 particles: 80 xmin: -1.0 ymin: -1.0 xmax: 1.0 ymax: 1.0 delta: 0.025 llsamplerange: 0.01 llsamplestep: 0.01 lasamplerange: 0.005 lasamplestep: 0.005

</rosparam>

</node> </launch>

yes my friend ı update my gmapping launch but still ı get same error. You think , my launch is correct ? this is my gmapping launch file:

<launch> <node pkg="gmapping" type="slam_gmapping" name="slam_gmapping" output="screen"> <rosparam> <rosparam>

  odom_frame: odom
   map_frame: map
   base_frame: base_link
   map_update_interval: 0.5
   maxUrange: 5.5
   maxRange: 5.5
   minimumScore: 50
   sigma: 0.05
   kernelSize: 1
   lstep: 0.05
   astep: 0.05
   iterations: 5
   lsigma: 0.075
   ogain: 3.0
   lskip: 0
   linearUpdate: 0.2
   angularUpdate: 0.25
   temporalUpdate: 5.0
   resampleThreshold: 0.5
   particles: 80
   xmin: -1.0
   ymin: -1.0
   xmax: 1.0
   ymax: 1.0
   delta: 0.025
   llsamplerange: 0.01
   llsamplestep: 0.01
   lasamplerange: 0.005
   lasamplestep: 0.005
0.005
  
</rosparam>
 
</node>
</launch>