title: How to fix "driver not found error" in Symfony and PostgreSQL
body: <p>I'm using Symfony 4 and PostgreSQL. I was able to insert mock data into my database with fixtures, however when I want to insert data from a form or make a selection query on the available data in my database it shows me this error:</p>
  
  <p><a href="https://i.stack.imgur.com/BhOVd.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/BhOVd.png" alt="enter image description here"></a></p>