Please make sure you are entering your actual SolusVM username not your email address or 'root'
The format of your username will be either (Examples only) usvps853 nlvps647 vpsuser345 vmuser657
This information is available in your email with the VPS details, if you cannot access that now for some reason you can click on your name in the top right hand corner of this portal and view your email history, they are usually the ones marked [READ IN FULL]