Stack Trace:

#0 /var/www/library/IXR/Capability.php(78): IXR_Clients::query('Capability', 'user_has_cap', Array)
#1 /var/www/library/Client/Capability.php(22): IXR_Capability::user_has_cap('', NULL)
#2 /var/www/library/Webx/User.php(565): Client_Capability::user_has_cap('', NULL)
#3 /var/www/library/Webx/User.php(32): Webx_User->get_is_local_admin()
#4 /var/www/library/Webx/User.php(476): Webx_User->get_detail('is_local_admin')
#5 /var/www/library/Webx/User.php(554): Webx_User->__get('is_local_admin')
#6 /var/www/library/Webx/User.php(32): Webx_User->get_admin()
#7 /var/www/library/Webx/User.php(476): Webx_User->get_detail('admin')
#8 /var/www/10671/buecher-wurm.info/framework/application/bootstrap.php(318): Webx_User->__get('admin')
#9 /var/www/10671/buecher-wurm.info/htdocs/index.php(31): require('/var/www/10671/...')
#10 {main}