got an error while launching roslaunch rbcar_sim_bringup rbcar_complete.launch

[nandininsl]

name 'ce30d_length' is not defined
when evaluating expression 'ce30d_length'
when instantiating macro: sensor_benewake_ce30d (benewake_ce30d.urdf.xacro)

[jmnavarrete]

Hi, have you downloaded the robotnik_sensors package (link) ?
The sensors that can be used are defined in this package