Fatal error: Uncaught PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'yazarlar.php' in 'where clause' in /home/abckitap/public_html/halkbilimi/yazar.php:9 Stack trace: #0 /home/abckitap/public_html/halkbilimi/yazar.php(9): PDO->query('SELECT yazar.ad...') #1 {main} thrown in /home/abckitap/public_html/halkbilimi/yazar.php on line 9