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Invalid MySql query: select a.*, c.cat_name, c.cat_link, u.user_name, from phpclass_ad as a, phpclass_category as c, phpclass_user as u where a.ad_cat_id=c.cat_id and a.ad_owner=u.user_id and a.ad_owner=36 AND a.ad_id IN (SELECT obce_id from phpclass_ad where ad_owner=399 AND ad_link='lista_projektow') AND a.ad_is_validated=1 and a.ad_owner in ()
You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ')' at line 17

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