title: Why are some maven projects in IntelliJ grayed out?
body: <p>Why are some maven projects in IntelliJ greyed out?</p>
  
  <p><a href="https://i.stack.imgur.com/ttD2Q.png" rel="noreferrer"><img src="https://i.stack.imgur.com/ttD2Q.png" alt="enter image description here"></a></p>