Prim path expression /World/ur10_instanceable is invalid, a prim matching the expression needs to be created before wrapping it as view

Hello together

I have installed the framework OmniIsaacGymEnvs and added the required files for UR10 Reacher, based on the package OmniIsaacGymEnvs-UR10Reacher. After I try to run UR10Reacher task, I get the following error:

Exception: Prim path expression /World/ur10_instanceable is invalid, a prim matching the expression needs to be created before wrapping it as view.

To follow, also a screenshot


Should I initialise the prim match first? But everything looks correct in the code.

Could someone help me with this?

Hi @voll.olga.ds - Are you following this document to make your asset Instanceable?
https://docs.omniverse.nvidia.com/isaacsim/latest/isaac_gym_tutorials/tutorial_gym_instanceable_assets.html

Not precisely; I have used the ready USD file. I am now trying this tutorial.