Fatal error: Uncaught mysqli_sql_exception: Column 'estado' in where clause is ambiguous in /var/www/vhosts/posgrado.com.pe/public_html/personal.php:3 Stack trace: #0 /var/www/vhosts/posgrado.com.pe/public_html/personal.php(3): mysqli_query() #1 {main} thrown in /var/www/vhosts/posgrado.com.pe/public_html/personal.php on line 3