Error: 1054 Unknown column 'keyword_relationships.rank' in 'order clause'

The following SQL statement was executed:
select * from (select distinct properties_rent.* from properties_rent,property_keywords where property_keywords.keyword_id='330' and property_keywords.property_id=properties_rent.id and properties_rent.id!='2219070' and properties_rent.block is null and properties_rent.status!='n' order by property_keywords.rank desc ) sponsors union select * from ( select properties_rent.* from properties_rent, keyword_relationships where properties_rent.keyword_id=keyword_relationships.related_keyword_id and keyword_relationships.keyword_id='330' and properties_rent.block is null and properties_rent.status ='n' and properties_rent.id!='2219070' order by keyword_relationships.rank desc, properties_rent.id desc ) normal limit 0,8

Error: 0

The following SQL statement was executed:
select count(*) counter from properties_rent where telephone = '0532-85801953' and block is null

青岛市南南京路团结房
在青岛租房子  青岛找房子：  非中介  

南京路团结房

    发布日期：2008年05月09日
  • 市南
  • 南京路团结房
  • 第6层/总6层
  • 17平方米
  • 600 元/月
  • 附近的公交线路：
    		•
  • 床 独立电表 阳台做饭
  • [,主卧：17,] 附加说明

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