Hello Amel Blouza
Welcome to Microsoft Q&A Platform, thanks for posting your query here.
I checked with internal team on this, and can confirm that this is due to a new release in Az module, version 2.2.0.
To resolve this, please uninstall Az module, version 2.2.0 and install Az module 2.1.2, and run repair registration. That should solve the issue.
Hope this helps.
If you need further help on this, tag me in a comment.
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