Query error (1054): Unknown column 'ezcontentclass.id' in 'on clause'. Query: SELECT ezcontentobject_link.contentclassattribute_id,
                        ezcontentclass.serialized_name_list AS class_serialized_name_list,
                        ezcontentclass.identifier as contentclass_identifier,
                        ezcontentclass.is_container as is_container,
                        ezcontentobject.*, ezcontentobject_name.name as name, ezcontentobject_name.real_translation
                        , ezcontentclass_name.name AS contentclass_name
                     FROM
                        ezcontentclass,
                        ezcontentobject,
                        ezcontentobject_link,
                        ezcontentobject_name
                         INNER JOIN ezcontentclass_name ON (ezcontentclass.id = ezcontentclass_name.contentclass_id AND
                                        ezcontentclass.version = ezcontentclass_name.contentclass_version AND
 ( ezcontentclass_name.language_id & ezcontentclass.language_mask > 0 AND
     ( (   ezcontentclass.language_mask - ( ezcontentclass.language_mask & ezcontentclass_name.language_id ) ) & 1 )
   + ( ( ( ezcontentclass.language_mask - ( ezcontentclass.language_mask & ezcontentclass_name.language_id ) ) & 65536 ) >> 15 )
   + ( ( ( ezcontentclass.language_mask - ( ezcontentclass.language_mask & ezcontentclass_name.language_id ) ) & 2 ) << 1 )
   <
     ( ezcontentclass_name.language_id & 1 )
   + ( ( ezcontentclass_name.language_id & 65536 ) >> 15 )
   + ( ( ezcontentclass_name.language_id & 2 ) << 1 )
 )
)
                     WHERE
                        ezcontentclass.id=ezcontentobject.contentclass_id AND
                        ezcontentclass.version=0 AND
                        ezcontentobject.status=1 AND


                         ( relation_type & 7 ) <> 0
                         AND ezcontentobject.id=ezcontentobject_link.to_contentobject_id AND
                                                                      ezcontentobject_link.from_contentobject_id='1982' AND
                                                                      ezcontentobject_link.from_contentobject_version='3'
                         AND
                        ezcontentobject.id = ezcontentobject_name.contentobject_id AND
                        ezcontentobject.current_version = ezcontentobject_name.content_version AND

 ( ezcontentobject_name.language_id & ezcontentobject.language_mask > 0 AND
     ( (   ezcontentobject.language_mask - ( ezcontentobject.language_mask & ezcontentobject_name.language_id ) ) & 1 )
   + ( ( ( ezcontentobject.language_mask - ( ezcontentobject.language_mask & ezcontentobject_name.language_id ) ) & 65536 ) >> 15 )
   + ( ( ( ezcontentobject.language_mask - ( ezcontentobject.language_mask & ezcontentobject_name.language_id ) ) & 2 ) << 1 )
   <
     ( ezcontentobject_name.language_id & 1 )
   + ( ( ezcontentobject_name.language_id & 65536 ) >> 15 )
   + ( ( ezcontentobject_name.language_id & 2 ) << 1 )
 )

                         ORDER BY contentclass_name ASC, ezcontentobject_name.name ASC