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Query execute error in /home/u20294/vibrators.ru/www/WEB-INF/classes/clsDataBase.php::OpenResultSet:
Unknown column 'Registry.id' in 'on clause'
Source query:

select Answer.*,'answer' as type,r2.parent_id as question_id  from Registry,Registry r2  Left join Object_Link on Object_Link.id = Registry.id  Left join Answer on Answer.id = r2.id  LEFT JOIN HTMLData    ON Answer.id = HTMLData.id AND HTMLData.instance_id = 100  where Registry.parent_id ='16720'  and r2.parent_id = Object_Link.child_id and Answer.instance_id = '100' order by Answer.position limit 150

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