order view not shown: fatal error

Monday 17 January 2005 9:00:17 am

When I try to access to order view in shop demo, I receice this error:
Fatal error: Call to a member function on a non-object in /var/www/ezpublish/kernel/classes/shopaccounthandlers/ezsimpleshopaccounthandler.php on line 92
Fatal error: eZ publish did not finish it's request

The execution of eZ publish was abruptly ended, the debug output is present below.

my ezpublish version is 3.3.6 on linux server with
apache 1.3
php 4.3.10
mysql DB

Thank you in advance.