@feneu005
We have been able to reproduce the issue you have reported. We apologize for the inconvenience this has caused you and everyone in the community.
To resolve the problem, please follow these process steps. Could you please try them and report back?
- Disable all the loaded CAD converter extensions:
omni.kit.converter.cadomni.kit.converter.common
- Install / Update to CAD CONVERTER 201.2.1 and the 500.0.26 extensions released with CC 201.2.1 (keep Disabled), and select “Autoload.”
- omni.kit.converter.cad = 201.2.1
- omni.kit.converter.common = 500.0.26
- omni.kit.converter.hoops_core = 500.0.26
- omni.kit.converter.dgn_core = 500.0.26
- omni.kit.converter.jt_core = 500.0.26
- omni.kit.converter.hoops = 500.0.26
- omni.kit.converter.dgn = 500.0.26
- omni.kit.converter.jt = 500.0.26
- Close and re-open Isaac Sim 4.2.0.
Extensions should now Autoload all of the correct versions listed in step 2. The STEP files and other CAD formats should now convert to USD without errors on Linux systems.