2023-03-20 12:48:13 [409,253ms] [Warning] [omni.graph.core.plugin] /World/ActionGraph_01/isaac_read_imu_node: OmniGraph Warning: Invalid Imu sensor prim
(from compute() at line 71 in /home/robotec/.local/share/ov/pkg/isaac_sim-2022.2.1/exts/omni.isaac.sensor/omni/isaac/sensor/ogn/python/nodes/OgnIsaacReadIMU.py)
2023-03-20 12:48:47 [443,657ms] [Error] [omni.isaac.sensor.plugin] Error, Parent prim is not found or is invalid
2023-03-20 12:48:47 [443,657ms] [Error] [omni.isaac.sensor.plugin] Failed to create imu sensor, parent prim is not found or invalid
I was able to follow the tutorial, and attach to the Angular Velocity Vector and get output to the terminal with no trouble.
I could also output the linear acceleration vector like in your example.