E1005 Details

Message emitted:

E1005: There was no username defined, preemptively failed on device {hostname}.

Description:

There was no username defined, preemptively failed on device {hostname}.

Troubleshooting:

Ensure that the username is defined and accessible for the device {hostname}.

Recommendation:

Likely the credentials class is not setup correctly, check configuration here: https://docs.nautobot.com/projects/plugin-nornir/en/latest/user/app_feature_credentials/.