Extension 'explorer' does not exist, looked for directory 'extension/explorer'

Module start 'content'

Query error: 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 '))' at line 22. Query: SELECT count(*) as count
                      FROM
                           ezcontentobject_tree,
                           ezcontentobject,ezcontentclass
                           , ezcontentobject_name 
                           
                           
                      WHERE  path_string like '/1/2/2320/2337/3399/%' and  depth <= 5 and 
                            
                            
                            
                            
                            
                            ezcontentclass.version=0 AND
                            node_id != 3399 AND
                            ezcontentobject_tree.contentobject_id = ezcontentobject.id  AND
                            ezcontentclass.id = ezcontentobject.contentclass_id AND
                             ezcontentobject_tree.contentobject_id = ezcontentobject_name.contentobject_id and
                                   ezcontentobject_tree.contentobject_version = ezcontentobject_name.content_version and
                                   ezcontentobject_name.content_translation = 'eng-GB' 
                            
                             AND (())

SELECT count(*) as count
                      FROM
                           ezcontentobject_tree,
                           ezcontentobject,ezcontentclass
                           , ezcontentobject_name 
                           
                           
                      WHERE  path_string like '/1/2/2320/2337/3399/%' and  depth <= 5 and 
                            
                            
                            
                            
                            
                            ezcontentclass.version=0 AND
                            node_id != 3399 AND
                            ezcontentobject_tree.contentobject_id = ezcontentobject.id  AND
                            ezcontentclass.id = ezcontentobject.contentclass_id AND
                             ezcontentobject_tree.contentobject_id = ezcontentobject_name.contentobject_id and
                                   ezcontentobject_tree.contentobject_version = ezcontentobject_name.content_version and
                                   ezcontentobject_name.content_translation = 'eng-GB' 
                            
                             AND (())  

Module end 'content'

Design element javascripts/debug.js does not exist in any design

End