The probe log has:
com.netapp.nmsdk.client.ApiProtocolException: Unexpected HTTP response code received for system-get-version from <host>: 400
and
com.netapp.nmsdk.client.ApiAuthenticationException: Authentication to Storage System <host> as user <user> failed. Response code: 401
Release : 20.3
Component : UIM - NETAPP_ONTAP
The 401 is http error 401 unauthorized.
Correct the user name and/or password.