Gazebo_utils not available

Hello. How can I resolve this? Tried to update and manually install but couldn’t. Please help.

user:~$ rosrun rigid_body_dynamics
Traceback (most recent call last):
File “/home/user/catkin_ws/src/robot_dynamics_files/rigid_body_dynamics/scripts/”, line 3, in
from gazebo_utils.spawner import Spawner
ImportError: No module named gazebo_utils.spawner

Hello @adhikari.pratik365 ,

What unit/course are you having this issue?

A post was split to a new topic: Gazebo_utils not available In Unit2