galery view error

url= hostname/image/tid/10

* warning: pg_query(): Query failed: ERROR: invalid input syntax for integer: "" in /var/www/html/includes/database.pgsql.inc on line 94.
* user warning: query: SELECT n.nid, n.vid, n.type, n.status, n.created, n.changed, n.comment, n.promote, n.moderate, n.sticky, r.timestamp AS revision_timestamp, r.title, r.body, r.teaser, r.log, r.format, u.uid, u.name, u.picture, u.data FROM node n INNER JOIN users u ON u.uid = n.uid INNER JOIN node_revisions r ON r.vid = n.vid WHERE n.nid = '' in /var/www/html/includes/database.pgsql.inc on line 113.

tid=10 has subfolders but has no content (but the subfolders do).