title: cant create a database in DBeaver
body: <p>im just starting using databases and I'm working with PostgreSQL using Dbeaver. When I want to create database,i need to create a new connection ,so I select PostgreSQL 
  <a href="https://i.stack.imgur.com/BiFJL.png" rel="nofollow noreferrer">in the window</a>
  then I press next and 
  <a href="https://i.stack.imgur.com/LiQu5.png" rel="nofollow noreferrer">this windows</a>
  pops up
  and no matter what I write in User ,Database or Password Field it always show the  <a href="https://i.stack.imgur.com/pXSxs.png" rel="nofollow noreferrer">same error</a></p>
  
  <blockquote>
    <p>FATAL:role "(what I typed in the User field,for example misha)" does
    not exist</p>
  </blockquote>
  
  <p>Please Help.</p>