Fatal error: Uncaught mysqli_sql_exception: Unknown column 'hk' in 'where clause' in /home/uhearts/domains/u-hearts.org/a_inc/db.inc:74
Stack trace:
#0 /home/uhearts/domains/u-hearts.org/a_inc/db.inc(74): mysqli_query()
#1 /home/uhearts/domains/u-hearts.org/a_module/public_school_item.inc(21): db->query()
#2 /home/uhearts/domains/u-hearts.org/public_html/schoolConstruction.php(50): getSchoolItemCount()
#3 {main}
thrown in /home/uhearts/domains/u-hearts.org/a_inc/db.inc on line 74