		
<br />
<b>Warning</b>:  PDOStatement::execute(): SQLSTATE[23000]: Integrity constraint violation: 1052 Column 'whenModified' in order clause is ambiguous in <b>/var/www/notanant/DBclasses.php</b> on line <b>1064</b><br />
PDO FAIL# SELECT *, 
							knowledge_base.view_counter, 
							if(kb_logo<>'',concat('%%image=',kb_logo,' ',kb_subject),kb_subject) as new_kb_subject, 
							replace(kb_logo,'_t55.jpg','_t105.jpg') as kb_logo_big, 
							(substring_index(max(concat(if(backup_id IS NOT NULL,backup_id,''),'#',if(title IS NOT NULL,title,kb_subject))),'#',-1)) as kb_subject,
							(substring_index(max(concat(if(backup_id IS NOT NULL,backup_id,''),'#',if(backup_id IS NOT NULL,summary,kb_precis))),'#',-1)) as kb_precis
						FROM knowledge_base 
						LEFT OUTER JOIN backup_header 
							ON (link_type='kb_id' and link_id=kb_id and language=:language)
						WHERE kb_header_id=:kb_header_id 
						GROUP BY kb_id ORDER BY whenModified DESCArray
(
    [kb_header_id] => 844
    [language] => esp
)
Array
(
    [0] => 23000
    [1] => 1052
    [2] => Column 'whenModified' in order clause is ambiguous
)