Yaf Caught exception :

Exception Message: Failed opening controller script /var/www/html/application/controllers/P.php: No such file or directory

/var/www/html/application/views/error/error.phtml:10:
object(Yaf\Exception\LoadFailed\Controller)[24]
  protected 'message' => string 'Failed opening controller script /var/www/html/application/controllers/P.php: No such file or directory' (length=103)
  private string 'string' (Exception) => string '' (length=0)
  protected 'code' => int 516
  protected string 'file' => string '/var/www/html/public/index.php' (length=30)
  protected int 'line' => int 12
  private array 'trace' (Exception) => 
    array (size=1)
      0 => 
        array (size=5)
          'file' => string '/var/www/html/public/index.php' (length=30)
          'line' => int 12
          'function' => string 'run' (length=3)
          'class' => string 'Yaf\Application' (length=15)
          'type' => string '->' (length=2)
  protected 'previous' => null
  public 'xdebug_message' => string '<tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> Yaf\Exception\LoadFailed\Controller: Failed opening controller script /var/www/html/application/controllers/P.php: No such file or directory in /var/www/html/public/index.php on line <i>12</i></th></tr>
<tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr>
<tr><th align='center' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Time</th><th a'... (length=1266)