title: Issue with php app/console doctrine:schema:update --force command
body: <p>When I try to run following command, </p>
  
  <pre><code> php app/console doctrine:schema:update --force
  </code></pre>
  
  <p>It says,</p>
  
  <blockquote>
    <p>[PDOException]</p>
    
    <p>SQLSTATE[HY000]: General error: 1005 Can't create table 'mysys_dve.#sql-7fc_4' </p>
  </blockquote>
  
  <p>Also I clear cache and even restart machine but same thing happened over and over again.</p>