user's account page error

hi, everything seems to work fine except that there is an error in the user's account page.

user warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') LEFT JOIN www_nodequeue_subqueue nodequeue_nodes_node__nodequeue_subqueue ON ' at line 3 query: SELECT COUNT(*) FROM (SELECT node.nid AS nid FROM www_node node INNER JOIN www_nodequeue_nodes nodequeue_nodes_node ON node.nid = nodequeue_nodes_node.nid AND nodequeue_nodes_node.qid IN () LEFT JOIN www_nodequeue_subqueue nodequeue_nodes_node__nodequeue_subqueue ON nodequeue_nodes_node.sqid = nodequeue_nodes_node__nodequeue_subqueue.sqid WHERE nodequeue_nodes_node__nodequeue_subqueue.reference = '3' ) count_alias in /home/pht3k/www/physiotek.com/sites/default/modules/views/includes/view.inc on line 745.

and it says

User Queue
This user does not have a queue that contains any posts.

while there is some posts in a queue.
any ideas?
thanks,
pht3k