voxel_mapping_odom node not found/located

[PauloMendes33]

Hello @ChongjianYUAN

I have Ubuntu 18.04 and ROS melodic and I run the command in the terminal
$ roslaunch voxel_map mapping_velodyne.launch
and the result/output in the terminal is as following:

SUMMARY

PARAMETERS

• /Result/result_path: /home/ycj/catkin_...
• /Result/write_kitti_log: False
• /common/imu_topic: /imu_data
• /common/lid_topic: /Navtech/Filtered...
• /imu/extrinsic_R: [1, 0, 0, 0, 1, 0...
• /imu/extrinsic_T: [0, 0, 0]
• /imu/imu_en: False
• /mapping/down_sample_size: 0.5
• /mapping/layer_point_size: [5, 5, 5, 5, 5]
• /mapping/max_cov_points_size: 1000
• /mapping/max_iteration: 3
• /mapping/max_layer: 4
• /mapping/max_points_size: 1000
• /mapping/plannar_threshold: 0.01
• /mapping/voxel_size: 3.0
• /noise_model/acc_cov_scale: 1.0
• /noise_model/angle_cov: 0.1
• /noise_model/gyr_cov_scale: 0.5
• /noise_model/ranging_cov: 0.04
• /preprocess/blind: 1
• /preprocess/calib_laser: True
• /preprocess/lidar_type: 2
• /preprocess/point_filter_num: 1
• /preprocess/scan_line: 64
• /rosdistro: melodic
• /rosversion: 1.14.13
• /visualization/dense_map_enable: False
• /visualization/pub_point_cloud: True
• /visualization/pub_point_cloud_skip: 5
• /visualization/pub_voxel_map: True
• /visualization/publish_max_voxel_layer: 1

NODES
/
voxel_mapping_odom (voxel_map/voxel_mapping_odom)

ROS_MASTER_URI=http://localhost:11311

ERROR: cannot launch node of type [voxel_map/voxel_mapping_odom]: Cannot locate node of type [voxel_mapping_odom] in package [voxel_map]. Make sure file exists in package path and permission is set to executable (chmod +x)
No processes to monitor
shutting down processing monitor...
... shutting down processing monitor complete

What is the problem?
I cannt find the file voxel_mapping_odom...

Best,
PM