Error logging in to hub
An error occurred logging into the hub. Please verify your Hub Security username and password.
Error logging in to hub
An error occurred logging into the hub. Please verify your Hub Security username and password.
Do you have "Hub Login Security" enabled on your hub? That option is found in the hub's "Settings" section.
If so, you need to those login-credential details to HPM's settings.
Check out this post which might help. Hubitat Package Manager - trouble with Login security
Got Package Manager fix by a reboot of the hub.