Fatal error: Uncaught mysqli_sql_exception: Unknown column 'dept_name' in 'order clause' in /home/uclmlsu/public_html/include/mysql.class.php:26 Stack trace: #0 /home/uclmlsu/public_html/include/mysql.class.php(26): mysqli->query('select * from d...') #1 /home/uclmlsu/public_html/staff.php(123): sql_db->sql_query('select * from d...') #2 /home/uclmlsu/public_html/staff.php(98): Show_Page() #3 {main} thrown in /home/uclmlsu/public_html/include/mysql.class.php on line 26