title: Error occurred while installing openstack : ./stack.sh:137:die
body: <p>I tried installing openstack through devstack using the following commands</p>
  
  <blockquote>
    <p>$ git clone <a href="https://github.com/openstack-dev/devstack.git" rel="nofollow">https://github.com/openstack-dev/devstack.git</a> -b
    stable/havana devstack/</p>
  </blockquote>
  
  <p>i followed <a href="http://blog.ravihansa3000.com/2014/04/installing-openstack-on-ubuntu-1204-lts.html" rel="nofollow">this</a> link to do it.</p>
  
  <p>I try to run stack.sh using:-</p>
  
  <pre><code> thushara@ubuntu:~/devstack$ ./stack.sh
  </code></pre>
  
  <p>Result:-</p>
  
  <pre><code>WARNING: this script has not been tested on trusty
  [Call Trace]
  ./stack.sh:137:die
  </code></pre>
  
  <p>how to set FORCE=yes? How to overcome this error?</p>