title: Can not start EC2 instance - "Your quota allows for 0 more running instance(s)"
body: <p>I have 50 instances. I am running 30 instances (with multi instance type), then I cannot run another instance. The error:</p>
  
  <blockquote>
    <p>Error starting instances</p>
    
    <p>Your quota allows for 0 more running instance(s). You requested at least 1</p>
  </blockquote>
  
  <p>I can not start instance with number > 30. </p>
  
  <p>How to increase limit instance running?</p>