Using POGI to get appointments out of OGo

Hi list,

I'm trying to use POGI to get appointments out of OGo onto my webpage, but 
everything I get is this error from the xmlrpcd:

---------------------------------------------------------------
localhost - - [20/Sep/2005:11:53:19 GMT] "POST /RPC2 HTTP/1.0" 200 314 0.002 - 
- 0
Sep 20 11:53:19 ogo-xmlrpcd-1.0a [28338]: >DirectAction> turn exception into 
fault: (Exception name:LSDBObjectCommandException 
class:LSDBObjectCommandException reason:appointment::query failed: invalid 
date range info:<nil>)
localhost - - [20/Sep/2005:11:53:19 GMT] "POST /RPC2 HTTP/1.0" 200 313 0.004 - 
- 0
localhost - - [20/Sep/2005:11:53:20 GMT] "POST /RPC2 HTTP/1.0" 200 314 0.002 - 
- 0
Sep 20 11:53:20 ogo-xmlrpcd-1.0a [28338]: >DirectAction> turn exception into 
fault: (Exception name:LSDBObjectCommandException 
class:LSDBObjectCommandException reason:appointment::query failed: invalid 
date range info:<nil>)
localhost - - [20/Sep/2005:11:53:20 GMT] "POST /RPC2 HTTP/1.0" 200 313 0.004 - 
- 0
---------------------------------------------------------------

I started the xmlrpcd with this command: /usr/sbin/ogo-xmlrpcd-1.0a -WOPort 
23000


Here's the relevant PHP code:

---------------------------------------------------------------
function showOGoAppointments() {
  ini_set("include_path", ".:/path/to/POGI/:/usr/share/php");
  require_once("OGoAppointment.php");

  $server = new OGoServer("localhost", "/RPC2", 23000);
  // Set you user credentials - username, password
  $server->login("<user>", "<password>");
  $appointmentManager = $server->getAppointmentManager();
  $today = date("Y-m-d");
  $yesterday = "2005-09-19";
  $appointments = $appointmentManager->getBetween($today,$yesterday);

    if(is_array($appointments)) {
      foreach($appointments as $appointment) {
          echo $appointment->getShortId();
          echo $appointment->getShortId();
          echo $appointment->getTitle();
          echo $appointment->getStartDate();
          echo $appointment->getEndDate();
       }
     }
}
---------------------------------------------------------------

I am not sure if this php code should work, but I think I just copied most 
parts out of the example scripts. I'm using POGI 0.17 as 0.18 had no source 
directory in the downloaded tar.gz archive.

Any hints?

Timo
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