A Database Error Occurred

Error Number: 1055

Expression #4 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'ufathom_startcad.b.logo' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

SELECT a.id,a.company_name,a.signup_time,b.logo from user a,user_logo b,user_status_link c where a.id=b.user_id and a.signup_time<>'' and a.username<>'anonymous' and c.user_id=a.id and c.status_id=1 group by a.id order by a.id desc limit 3