Error | openCards

Error

Error message

PDOException: SQLSTATE[42000]: Syntax error or access violation: 1064 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 '` n WHERE n.nid = c.nid AND c.Index_Artikel_Serie = '1') ORDER BY Arti' at line 4: (SELECT n.nid, s.Order_Artikel_Serie AS Artikel_Order, n.title FROM {oc_strategy} s, {node} n WHERE n.nid = s.nid AND s.Index_Artikel_Serie = :serieID_1) UNION (SELECT n.nid, c.Order_Artikel_Serie AS Artikel_Order, n.title FROM {oc_card_review c, {node} n WHERE n.nid = c.nid AND c.Index_Artikel_Serie = :serieID_2) ORDER BY Artikel_Order ; Array ( [:serieID_1] => 1 [:serieID_2] => 1 ) in _content_base_get_links_artikel_serie() (line 755 of /kunden/161025_28203/production/sites/all/modules/openCards/content_base/content_base.module).
The website encountered an unexpected error. Please try again later.