Fatal error: Uncaught mysqli_sql_exception: Unknown column 'c' in 'where clause' in /home/hc/public_html/hc/Manager/Atualiza.php:35 Stack trace: #0 /home/hc/public_html/hc/Manager/Atualiza.php(35): mysqli_query(Object(mysqli), 'select url_amig...') #1 /home/hc/public_html/hc/portal/incs/Cabecalho.php(8): inicio() #2 /home/hc/public_html/hc/portal/interna.php(8): require_once('/home/hc/public...') #3 {main} thrown in /home/hc/public_html/hc/Manager/Atualiza.php on line 35