title: ORA-24408: could not generate unique server group name
body: <p>system: </p>
  
  <pre><code>Linux web 2.6.27.21-0.1-pae #1 SMP 2009-03-31 14:50:44 +0200 i686 i686 i386 GNU/Linux
  
  PHP Version 5.3.8
  Apache Version  Apache/2.2.21 (Linux/SUSE)
  OCI8 Support    enabled
  Version     1.4.7
  Revision    $Revision: 321634 $
  Active Persistent Connections   0
  Active Connections  0
  Oracle Run-time Client Library Version  11.2.0.3.0
  Oracle Instant Client Version   11.2
  </code></pre>
  
  <p>when calling <code>oci_connect</code> - receiv </p>
  
  <blockquote>
    <p>ORA-24408: could not generate unique server group name</p>
  </blockquote>
  
  <p>can`t understand what the kind error is this and howto fix it.</p>