Fatal error: Uncaught mysqli_sql_exception: Unknown column 'codigo' in 'where clause' in /home/wwedus/public_html/iesanisidroch.edusac.info/ce2per.php:74 Stack trace: #0 /home/wwedus/public_html/iesanisidroch.edusac.info/ce2per.php(74): mysqli_query(Object(mysqli), 'select * from c...') #1 {main} thrown in /home/wwedus/public_html/iesanisidroch.edusac.info/ce2per.php on line 74