Have a look at these two video sections to make sure your vscode project is configured correctly:
Keep in mind that Omniverse extension and libraries are typically not meant to be run in a standalone python interpreter. It’s meant to be run from within an Omniverse application.
Mati, Being new to this environment your information is help, by running link_app.sh with path & app references set to Create, along with Python Interpreter set to 3.10 version this issue is resolved, .