PluginlibFactory: The plugin for class 'rviz_imu_plugin/IMU' failed to load. Error: According to the loaded plugin descriptions the class rviz_imu_plugin/IMU with base class Rviz: :Display does not exist. Declared types are rviz/AccelStamped rviz/Axes rviz/Camera rviz/DepthCloud rviz/Effort rviz/FluidPressure rviz/Grid rviz/GridCells rviz/Illuminance rviz/Image rviz/InteractiveMarkers rviz/LaserScanrviz/Map rviz/Marker rviz/MarkerArray rviz/Odometry rviz/Path rviz/PointCloud rviz/PointCloud2 rviz/PointStamped rviz/Polygon rviz/Pose rviz/PoseArray rviz/PoseWithCovariance rviz/Range rviz/Relative Humidity rviz/RobotModel rvtz/TF rviz/Temperature rviz/TwistStamped rviz/WrenchStamped rvtz_plugin_tutorials/Imu

Solution:

Install ros-rviz-imu-plugin library

Small technologies: Whether to install the corresponding database containing error checks!”.